21403816

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22483}}^1$

素因数の和:22513

約数の個数: 32

約数和(自身を含む): 48565440

約数和(自身を除く): 27161624

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 22483, 44966, 89932, 157381, 179864, 314762, 382211, 629524, 764422, 1259048, 1528844, 2675477, 3057688, 5350954, 10701908, 21403816]

約数ペア:

[(1, 21403816), (2, 10701908), (4, 5350954), (7, 3057688), (8, 2675477), (14, 1528844), (17, 1259048), (28, 764422), (34, 629524), (56, 382211), (68, 314762), (119, 179864), (136, 157381), (238, 89932), (476, 44966), (952, 22483)]