21498817430

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{167033}}^1$

素因数の和:167312

約数の個数: 32

約数和(自身を含む): 39518908128

約数和(自身を除く): 18020090698

約数列:

[1, 2, 5, 10, 61, 122, 211, 305, 422, 610, 1055, 2110, 12871, 25742, 64355, 128710, 167033, 334066, 835165, 1670330, 10189013, 20378026, 35243963, 50945065, 70487926, 101890130, 176219815, 352439630, 2149881743, 4299763486, 10749408715, 21498817430]

約数ペア:

[(1, 21498817430), (2, 10749408715), (5, 4299763486), (10, 2149881743), (61, 352439630), (122, 176219815), (211, 101890130), (305, 70487926), (422, 50945065), (610, 35243963), (1055, 20378026), (2110, 10189013), (12871, 1670330), (25742, 835165), (64355, 334066), (128710, 167033)]