21365804538

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{385261}}^1$

素因数の和:385364

約数の個数: 64

約数和(自身を含む): 51779212800

約数和(自身を除く): 30413408262

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 79, 117, 158, 234, 237, 351, 474, 702, 711, 1027, 1422, 2054, 2133, 3081, 4266, 6162, 9243, 18486, 27729, 55458, 385261, 770522, 1155783, 2311566, 3467349, 5008393, 6934698, 10016786, 10402047, 15025179, 20804094, 30050358, 30435619, 45075537, 60871238, 90151074, 91306857, 135226611, 182613714, 270453222, 273920571, 395663047, 547841142, 791326094, 821761713, 1186989141, 1643523426, 2373978282, 3560967423, 7121934846, 10682902269, 21365804538]

約数ペア:

[(1, 21365804538), (2, 10682902269), (3, 7121934846), (6, 3560967423), (9, 2373978282), (13, 1643523426), (18, 1186989141), (26, 821761713), (27, 791326094), (39, 547841142), (54, 395663047), (78, 273920571), (79, 270453222), (117, 182613714), (158, 135226611), (234, 91306857), (237, 90151074), (351, 60871238), (474, 45075537), (702, 30435619), (711, 30050358), (1027, 20804094), (1422, 15025179), (2054, 10402047), (2133, 10016786), (3081, 6934698), (4266, 5008393), (6162, 3467349), (9243, 2311566), (18486, 1155783), (27729, 770522), (55458, 385261)]