21915693828

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28989013}}^1$

素因数の和:28989033

約数の個数: 48

約数和(自身を含む): 64935391360

約数和(自身を除く): 43019697532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28989013, 57978026, 86967039, 115956052, 173934078, 202923091, 260901117, 347868156, 405846182, 521802234, 608769273, 782703351, 811692364, 1043604468, 1217538546, 1565406702, 1826307819, 2435077092, 3130813404, 3652615638, 5478923457, 7305231276, 10957846914, 21915693828]

約数ペア:

[(1, 21915693828), (2, 10957846914), (3, 7305231276), (4, 5478923457), (6, 3652615638), (7, 3130813404), (9, 2435077092), (12, 1826307819), (14, 1565406702), (18, 1217538546), (21, 1043604468), (27, 811692364), (28, 782703351), (36, 608769273), (42, 521802234), (54, 405846182), (63, 347868156), (84, 260901117), (108, 202923091), (126, 173934078), (189, 115956052), (252, 86967039), (378, 57978026), (756, 28989013)]