21364465540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{23761}}^1$

素因数の和:23909

約数の個数: 96

約数和(自身を含む): 50491018368

約数和(自身を除く): 29126552828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 67, 110, 122, 134, 220, 244, 268, 305, 335, 610, 670, 671, 737, 1220, 1340, 1342, 1474, 2684, 2948, 3355, 3685, 4087, 6710, 7370, 8174, 13420, 14740, 16348, 20435, 23761, 40870, 44957, 47522, 81740, 89914, 95044, 118805, 179828, 224785, 237610, 261371, 449570, 475220, 522742, 899140, 1045484, 1306855, 1449421, 1591987, 2613710, 2898842, 3183974, 5227420, 5797684, 6367948, 7247105, 7959935, 14494210, 15919870, 15943631, 17511857, 28988420, 31839740, 31887262, 35023714, 63774524, 70047428, 79718155, 87559285, 97111207, 159436310, 175118570, 194222414, 318872620, 350237140, 388444828, 485556035, 971112070, 1068223277, 1942224140, 2136446554, 4272893108, 5341116385, 10682232770, 21364465540]

約数ペア:

[(1, 21364465540), (2, 10682232770), (4, 5341116385), (5, 4272893108), (10, 2136446554), (11, 1942224140), (20, 1068223277), (22, 971112070), (44, 485556035), (55, 388444828), (61, 350237140), (67, 318872620), (110, 194222414), (122, 175118570), (134, 159436310), (220, 97111207), (244, 87559285), (268, 79718155), (305, 70047428), (335, 63774524), (610, 35023714), (670, 31887262), (671, 31839740), (737, 28988420), (1220, 17511857), (1340, 15943631), (1342, 15919870), (1474, 14494210), (2684, 7959935), (2948, 7247105), (3355, 6367948), (3685, 5797684), (4087, 5227420), (6710, 3183974), (7370, 2898842), (8174, 2613710), (13420, 1591987), (14740, 1449421), (16348, 1306855), (20435, 1045484), (23761, 899140), (40870, 522742), (44957, 475220), (47522, 449570), (81740, 261371), (89914, 237610), (95044, 224785), (118805, 179828)]