21414380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3581}}^1$

素因数の和:3626

約数の個数: 48

約数和(自身を含む): 50549184

約数和(自身を除く): 29134804

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3581, 5980, 7162, 14324, 17905, 35810, 46553, 71620, 82363, 93106, 164726, 186212, 232765, 329452, 411815, 465530, 823630, 931060, 1070719, 1647260, 2141438, 4282876, 5353595, 10707190, 21414380]

約数ペア:

[(1, 21414380), (2, 10707190), (4, 5353595), (5, 4282876), (10, 2141438), (13, 1647260), (20, 1070719), (23, 931060), (26, 823630), (46, 465530), (52, 411815), (65, 329452), (92, 232765), (115, 186212), (130, 164726), (230, 93106), (260, 82363), (299, 71620), (460, 46553), (598, 35810), (1196, 17905), (1495, 14324), (2990, 7162), (3581, 5980)]