21010096

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{77243}}^1$

素因数の和:77268

約数の個数: 20

約数和(自身を含む): 43102152

約数和(自身を除く): 22092056

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 77243, 154486, 308972, 617944, 1235888, 1313131, 2626262, 5252524, 10505048, 21010096]

約数ペア:

[(1, 21010096), (2, 10505048), (4, 5252524), (8, 2626262), (16, 1313131), (17, 1235888), (34, 617944), (68, 308972), (136, 154486), (272, 77243)]