21275056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1109}}^1$

素因数の和:1237

約数の個数: 40

約数和(自身を含む): 45421200

約数和(自身を除く): 24146144

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 872, 1109, 1199, 1744, 2218, 2398, 4436, 4796, 8872, 9592, 12199, 17744, 19184, 24398, 48796, 97592, 120881, 195184, 241762, 483524, 967048, 1329691, 1934096, 2659382, 5318764, 10637528, 21275056]

約数ペア:

[(1, 21275056), (2, 10637528), (4, 5318764), (8, 2659382), (11, 1934096), (16, 1329691), (22, 967048), (44, 483524), (88, 241762), (109, 195184), (176, 120881), (218, 97592), (436, 48796), (872, 24398), (1109, 19184), (1199, 17744), (1744, 12199), (2218, 9592), (2398, 8872), (4436, 4796)]