21872708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{38239}}^1$

素因数の和:38267

約数の個数: 24

約数和(自身を含む): 44970240

約数和(自身を除く): 23097532

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 38239, 76478, 152956, 420629, 497107, 841258, 994214, 1682516, 1988428, 5468177, 10936354, 21872708]

約数ペア:

[(1, 21872708), (2, 10936354), (4, 5468177), (11, 1988428), (13, 1682516), (22, 994214), (26, 841258), (44, 497107), (52, 420629), (143, 152956), (286, 76478), (572, 38239)]