21881096

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1091}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 21362104

約数列:

[1, 2, 4, 8, 23, 46, 92, 109, 184, 218, 436, 872, 1091, 2182, 2507, 4364, 5014, 8728, 10028, 20056, 25093, 50186, 100372, 118919, 200744, 237838, 475676, 951352, 2735137, 5470274, 10940548, 21881096]

約数ペア:

[(1, 21881096), (2, 10940548), (4, 5470274), (8, 2735137), (23, 951352), (46, 475676), (92, 237838), (109, 200744), (184, 118919), (218, 100372), (436, 50186), (872, 25093), (1091, 20056), (2182, 10028), (2507, 8728), (4364, 5014)]