21695580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40177}}^1$

素因数の和:40195

約数の個数: 48

約数和(自身を含む): 67499040

約数和(自身を除く): 45803460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40177, 80354, 120531, 160708, 200885, 241062, 361593, 401770, 482124, 602655, 723186, 803540, 1084779, 1205310, 1446372, 1807965, 2169558, 2410620, 3615930, 4339116, 5423895, 7231860, 10847790, 21695580]

約数ペア:

[(1, 21695580), (2, 10847790), (3, 7231860), (4, 5423895), (5, 4339116), (6, 3615930), (9, 2410620), (10, 2169558), (12, 1807965), (15, 1446372), (18, 1205310), (20, 1084779), (27, 803540), (30, 723186), (36, 602655), (45, 482124), (54, 401770), (60, 361593), (90, 241062), (108, 200885), (135, 160708), (180, 120531), (270, 80354), (540, 40177)]