21611626

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:886

約数の個数: 24

約数和(自身を含む): 35181540

約数和(自身を除く): 13569914

約数列:

[1, 2, 19, 37, 38, 74, 361, 703, 722, 809, 1406, 1618, 13357, 15371, 26714, 29933, 30742, 59866, 292049, 568727, 584098, 1137454, 10805813, 21611626]

約数ペア:

[(1, 21611626), (2, 10805813), (19, 1137454), (37, 584098), (38, 568727), (74, 292049), (361, 59866), (703, 30742), (722, 29933), (809, 26714), (1406, 15371), (1618, 13357)]