21673360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11779}}^1$

素因数の和:11815

約数の個数: 40

約数和(自身を含む): 52585920

約数和(自身を除く): 30912560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 11779, 23558, 47116, 58895, 94232, 117790, 188464, 235580, 270917, 471160, 541834, 942320, 1083668, 1354585, 2167336, 2709170, 4334672, 5418340, 10836680, 21673360]

約数ペア:

[(1, 21673360), (2, 10836680), (4, 5418340), (5, 4334672), (8, 2709170), (10, 2167336), (16, 1354585), (20, 1083668), (23, 942320), (40, 541834), (46, 471160), (80, 270917), (92, 235580), (115, 188464), (184, 117790), (230, 94232), (368, 58895), (460, 47116), (920, 23558), (1840, 11779)]