21000547680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{152443}}^1$

素因数の和:152509

約数の個数: 192

約数和(自身を含む): 77446430208

約数和(自身を除く): 56445882528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 96, 105, 112, 120, 123, 140, 160, 164, 168, 205, 210, 224, 240, 246, 280, 287, 328, 336, 410, 420, 480, 492, 560, 574, 615, 656, 672, 820, 840, 861, 984, 1120, 1148, 1230, 1312, 1435, 1640, 1680, 1722, 1968, 2296, 2460, 2870, 3280, 3360, 3444, 3936, 4305, 4592, 4920, 5740, 6560, 6888, 8610, 9184, 9840, 11480, 13776, 17220, 19680, 22960, 27552, 34440, 45920, 68880, 137760, 152443, 304886, 457329, 609772, 762215, 914658, 1067101, 1219544, 1524430, 1829316, 2134202, 2286645, 2439088, 3048860, 3201303, 3658632, 4268404, 4573290, 4878176, 5335505, 6097720, 6250163, 6402606, 7317264, 8536808, 9146580, 10671010, 12195440, 12500326, 12805212, 14634528, 16006515, 17073616, 18293160, 18750489, 21342020, 24390880, 25000652, 25610424, 31250815, 32013030, 34147232, 36586320, 37500978, 42684040, 43751141, 50001304, 51220848, 62501630, 64026060, 73172640, 75001956, 85368080, 87502282, 93752445, 100002608, 102441696, 125003260, 128052120, 131253423, 150003912, 170736160, 175004564, 187504890, 200005216, 218755705, 250006520, 256104240, 262506846, 300007824, 350009128, 375009780, 437511410, 500013040, 512208480, 525013692, 600015648, 656267115, 700018256, 750019560, 875022820, 1000026080, 1050027384, 1312534230, 1400036512, 1500039120, 1750045640, 2100054768, 2625068460, 3000078240, 3500091280, 4200109536, 5250136920, 7000182560, 10500273840, 21000547680]

約数ペア:

[(1, 21000547680), (2, 10500273840), (3, 7000182560), (4, 5250136920), (5, 4200109536), (6, 3500091280), (7, 3000078240), (8, 2625068460), (10, 2100054768), (12, 1750045640), (14, 1500039120), (15, 1400036512), (16, 1312534230), (20, 1050027384), (21, 1000026080), (24, 875022820), (28, 750019560), (30, 700018256), (32, 656267115), (35, 600015648), (40, 525013692), (41, 512208480), (42, 500013040), (48, 437511410), (56, 375009780), (60, 350009128), (70, 300007824), (80, 262506846), (82, 256104240), (84, 250006520), (96, 218755705), (105, 200005216), (112, 187504890), (120, 175004564), (123, 170736160), (140, 150003912), (160, 131253423), (164, 128052120), (168, 125003260), (205, 102441696), (210, 100002608), (224, 93752445), (240, 87502282), (246, 85368080), (280, 75001956), (287, 73172640), (328, 64026060), (336, 62501630), (410, 51220848), (420, 50001304), (480, 43751141), (492, 42684040), (560, 37500978), (574, 36586320), (615, 34147232), (656, 32013030), (672, 31250815), (820, 25610424), (840, 25000652), (861, 24390880), (984, 21342020), (1120, 18750489), (1148, 18293160), (1230, 17073616), (1312, 16006515), (1435, 14634528), (1640, 12805212), (1680, 12500326), (1722, 12195440), (1968, 10671010), (2296, 9146580), (2460, 8536808), (2870, 7317264), (3280, 6402606), (3360, 6250163), (3444, 6097720), (3936, 5335505), (4305, 4878176), (4592, 4573290), (4920, 4268404), (5740, 3658632), (6560, 3201303), (6888, 3048860), (8610, 2439088), (9184, 2286645), (9840, 2134202), (11480, 1829316), (13776, 1524430), (17220, 1219544), (19680, 1067101), (22960, 914658), (27552, 762215), (34440, 609772), (45920, 457329), (68880, 304886), (137760, 152443)]