21388742808

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{2777}}^1\times {\mathrm{5261}}^1$

素因数の和:8108

約数の個数: 64

約数和(自身を含む): 54378349920

約数和(自身を除く): 32989607112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 488, 732, 1464, 2777, 5261, 5554, 8331, 10522, 11108, 15783, 16662, 21044, 22216, 31566, 33324, 42088, 63132, 66648, 126264, 169397, 320921, 338794, 508191, 641842, 677588, 962763, 1016382, 1283684, 1355176, 1925526, 2032764, 2567368, 3851052, 4065528, 7702104, 14609797, 29219594, 43829391, 58439188, 87658782, 116878376, 175317564, 350635128, 891197617, 1782395234, 2673592851, 3564790468, 5347185702, 7129580936, 10694371404, 21388742808]

約数ペア:

[(1, 21388742808), (2, 10694371404), (3, 7129580936), (4, 5347185702), (6, 3564790468), (8, 2673592851), (12, 1782395234), (24, 891197617), (61, 350635128), (122, 175317564), (183, 116878376), (244, 87658782), (366, 58439188), (488, 43829391), (732, 29219594), (1464, 14609797), (2777, 7702104), (5261, 4065528), (5554, 3851052), (8331, 2567368), (10522, 2032764), (11108, 1925526), (15783, 1355176), (16662, 1283684), (21044, 1016382), (22216, 962763), (31566, 677588), (33324, 641842), (42088, 508191), (63132, 338794), (66648, 320921), (126264, 169397)]