21994232

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2677}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 44990400

約数和(自身を除く): 22996168

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 2677, 4108, 5354, 8216, 10708, 21416, 34801, 69602, 139204, 211483, 278408, 422966, 845932, 1691864, 2749279, 5498558, 10997116, 21994232]

約数ペア:

[(1, 21994232), (2, 10997116), (4, 5498558), (8, 2749279), (13, 1691864), (26, 845932), (52, 422966), (79, 278408), (104, 211483), (158, 139204), (316, 69602), (632, 34801), (1027, 21416), (2054, 10708), (2677, 8216), (4108, 5354)]