21146096

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{77743}}^1$

素因数の和:77768

約数の個数: 20

約数和(自身を含む): 43381152

約数和(自身を除く): 22235056

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 77743, 155486, 310972, 621944, 1243888, 1321631, 2643262, 5286524, 10573048, 21146096]

約数ペア:

[(1, 21146096), (2, 10573048), (4, 5286524), (8, 2643262), (16, 1321631), (17, 1243888), (34, 621944), (68, 310972), (136, 155486), (272, 77743)]