21698085

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 36622080

約数和(自身を除く): 14923995

約数列:

[1, 3, 5, 15, 23, 69, 109, 115, 327, 345, 545, 577, 1635, 1731, 2507, 2885, 7521, 8655, 12535, 13271, 37605, 39813, 62893, 66355, 188679, 199065, 314465, 943395, 1446539, 4339617, 7232695, 21698085]

約数ペア:

[(1, 21698085), (3, 7232695), (5, 4339617), (15, 1446539), (23, 943395), (69, 314465), (109, 199065), (115, 188679), (327, 66355), (345, 62893), (545, 39813), (577, 37605), (1635, 13271), (1731, 12535), (2507, 8655), (2885, 7521)]