21571292280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{101963}}^1$

素因数の和:102061

約数の個数: 128

約数和(自身を含む): 67834609920

約数和(自身を除く): 46263317640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 43, 60, 82, 86, 120, 123, 129, 164, 172, 205, 215, 246, 258, 328, 344, 410, 430, 492, 516, 615, 645, 820, 860, 984, 1032, 1230, 1290, 1640, 1720, 1763, 2460, 2580, 3526, 4920, 5160, 5289, 7052, 8815, 10578, 14104, 17630, 21156, 26445, 35260, 42312, 52890, 70520, 101963, 105780, 203926, 211560, 305889, 407852, 509815, 611778, 815704, 1019630, 1223556, 1529445, 2039260, 2447112, 3058890, 4078520, 4180483, 4384409, 6117780, 8360966, 8768818, 12235560, 12541449, 13153227, 16721932, 17537636, 20902415, 21922045, 25082898, 26306454, 33443864, 35075272, 41804830, 43844090, 50165796, 52612908, 62707245, 65766135, 83609660, 87688180, 100331592, 105225816, 125414490, 131532270, 167219320, 175376360, 179760769, 250828980, 263064540, 359521538, 501657960, 526129080, 539282307, 719043076, 898803845, 1078564614, 1438086152, 1797607690, 2157129228, 2696411535, 3595215380, 4314258456, 5392823070, 7190430760, 10785646140, 21571292280]

約数ペア:

[(1, 21571292280), (2, 10785646140), (3, 7190430760), (4, 5392823070), (5, 4314258456), (6, 3595215380), (8, 2696411535), (10, 2157129228), (12, 1797607690), (15, 1438086152), (20, 1078564614), (24, 898803845), (30, 719043076), (40, 539282307), (41, 526129080), (43, 501657960), (60, 359521538), (82, 263064540), (86, 250828980), (120, 179760769), (123, 175376360), (129, 167219320), (164, 131532270), (172, 125414490), (205, 105225816), (215, 100331592), (246, 87688180), (258, 83609660), (328, 65766135), (344, 62707245), (410, 52612908), (430, 50165796), (492, 43844090), (516, 41804830), (615, 35075272), (645, 33443864), (820, 26306454), (860, 25082898), (984, 21922045), (1032, 20902415), (1230, 17537636), (1290, 16721932), (1640, 13153227), (1720, 12541449), (1763, 12235560), (2460, 8768818), (2580, 8360966), (3526, 6117780), (4920, 4384409), (5160, 4180483), (5289, 4078520), (7052, 3058890), (8815, 2447112), (10578, 2039260), (14104, 1529445), (17630, 1223556), (21156, 1019630), (26445, 815704), (35260, 611778), (42312, 509815), (52890, 407852), (70520, 305889), (101963, 211560), (105780, 203926)]