21796640

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5923}}^1$

素因数の和:5961

約数の個数: 48

約数和(自身を含む): 53742528

約数和(自身を除く): 31945888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5923, 11846, 23692, 29615, 47384, 59230, 94768, 118460, 136229, 189536, 236920, 272458, 473840, 544916, 681145, 947680, 1089832, 1362290, 2179664, 2724580, 4359328, 5449160, 10898320, 21796640]

約数ペア:

[(1, 21796640), (2, 10898320), (4, 5449160), (5, 4359328), (8, 2724580), (10, 2179664), (16, 1362290), (20, 1089832), (23, 947680), (32, 681145), (40, 544916), (46, 473840), (80, 272458), (92, 236920), (115, 189536), (160, 136229), (184, 118460), (230, 94768), (368, 59230), (460, 47384), (736, 29615), (920, 23692), (1840, 11846), (3680, 5923)]