21436320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 192

約数和(自身を含む): 74462976

約数和(自身を除く): 53026656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 37, 40, 48, 51, 60, 68, 71, 74, 80, 85, 96, 102, 111, 120, 136, 142, 148, 160, 170, 185, 204, 213, 222, 240, 255, 272, 284, 296, 340, 355, 370, 408, 426, 444, 480, 510, 544, 555, 568, 592, 629, 680, 710, 740, 816, 852, 888, 1020, 1065, 1110, 1136, 1184, 1207, 1258, 1360, 1420, 1480, 1632, 1704, 1776, 1887, 2040, 2130, 2220, 2272, 2414, 2516, 2627, 2720, 2840, 2960, 3145, 3408, 3552, 3621, 3774, 4080, 4260, 4440, 4828, 5032, 5254, 5680, 5920, 6035, 6290, 6816, 7242, 7548, 7881, 8160, 8520, 8880, 9435, 9656, 10064, 10508, 11360, 12070, 12580, 13135, 14484, 15096, 15762, 17040, 17760, 18105, 18870, 19312, 20128, 21016, 24140, 25160, 26270, 28968, 30192, 31524, 34080, 36210, 37740, 38624, 39405, 42032, 44659, 48280, 50320, 52540, 57936, 60384, 63048, 72420, 75480, 78810, 84064, 89318, 96560, 100640, 105080, 115872, 126096, 133977, 144840, 150960, 157620, 178636, 193120, 210160, 223295, 252192, 267954, 289680, 301920, 315240, 357272, 420320, 446590, 535908, 579360, 630480, 669885, 714544, 893180, 1071816, 1260960, 1339770, 1429088, 1786360, 2143632, 2679540, 3572720, 4287264, 5359080, 7145440, 10718160, 21436320]

約数ペア:

[(1, 21436320), (2, 10718160), (3, 7145440), (4, 5359080), (5, 4287264), (6, 3572720), (8, 2679540), (10, 2143632), (12, 1786360), (15, 1429088), (16, 1339770), (17, 1260960), (20, 1071816), (24, 893180), (30, 714544), (32, 669885), (34, 630480), (37, 579360), (40, 535908), (48, 446590), (51, 420320), (60, 357272), (68, 315240), (71, 301920), (74, 289680), (80, 267954), (85, 252192), (96, 223295), (102, 210160), (111, 193120), (120, 178636), (136, 157620), (142, 150960), (148, 144840), (160, 133977), (170, 126096), (185, 115872), (204, 105080), (213, 100640), (222, 96560), (240, 89318), (255, 84064), (272, 78810), (284, 75480), (296, 72420), (340, 63048), (355, 60384), (370, 57936), (408, 52540), (426, 50320), (444, 48280), (480, 44659), (510, 42032), (544, 39405), (555, 38624), (568, 37740), (592, 36210), (629, 34080), (680, 31524), (710, 30192), (740, 28968), (816, 26270), (852, 25160), (888, 24140), (1020, 21016), (1065, 20128), (1110, 19312), (1136, 18870), (1184, 18105), (1207, 17760), (1258, 17040), (1360, 15762), (1420, 15096), (1480, 14484), (1632, 13135), (1704, 12580), (1776, 12070), (1887, 11360), (2040, 10508), (2130, 10064), (2220, 9656), (2272, 9435), (2414, 8880), (2516, 8520), (2627, 8160), (2720, 7881), (2840, 7548), (2960, 7242), (3145, 6816), (3408, 6290), (3552, 6035), (3621, 5920), (3774, 5680), (4080, 5254), (4260, 5032), (4440, 4828)]