21785963312

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{9091}}^1\times {\mathrm{7883}}^1$

素因数の和:17001

約数の個数: 40

約数和(自身を含む): 44442423360

約数和(自身を除く): 22656460048

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 7883, 9091, 15766, 18182, 31532, 36364, 63064, 72728, 126128, 145456, 149777, 172729, 299554, 345458, 599108, 690916, 1198216, 1381832, 2396432, 2763664, 71664353, 143328706, 286657412, 573314824, 1146629648, 1361622707, 2723245414, 5446490828, 10892981656, 21785963312]

約数ペア:

[(1, 21785963312), (2, 10892981656), (4, 5446490828), (8, 2723245414), (16, 1361622707), (19, 1146629648), (38, 573314824), (76, 286657412), (152, 143328706), (304, 71664353), (7883, 2763664), (9091, 2396432), (15766, 1381832), (18182, 1198216), (31532, 690916), (36364, 599108), (63064, 345458), (72728, 299554), (126128, 172729), (145456, 149777)]