21824660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{587}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 54232416

約数和(自身を除く): 32407756

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 587, 676, 715, 845, 1174, 1430, 1690, 1859, 2348, 2860, 2935, 3380, 3718, 5870, 6457, 7436, 7631, 9295, 11740, 12914, 15262, 18590, 25828, 30524, 32285, 37180, 38155, 64570, 76310, 83941, 99203, 129140, 152620, 167882, 198406, 335764, 396812, 419705, 496015, 839410, 992030, 1091233, 1678820, 1984060, 2182466, 4364932, 5456165, 10912330, 21824660]

約数ペア:

[(1, 21824660), (2, 10912330), (4, 5456165), (5, 4364932), (10, 2182466), (11, 1984060), (13, 1678820), (20, 1091233), (22, 992030), (26, 839410), (44, 496015), (52, 419705), (55, 396812), (65, 335764), (110, 198406), (130, 167882), (143, 152620), (169, 129140), (220, 99203), (260, 83941), (286, 76310), (338, 64570), (572, 38155), (587, 37180), (676, 32285), (715, 30524), (845, 25828), (1174, 18590), (1430, 15262), (1690, 12914), (1859, 11740), (2348, 9295), (2860, 7631), (2935, 7436), (3380, 6457), (3718, 5870)]