21366852

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4723}}^1$

素因数の和:4772

約数の個数: 48

約数和(自身を含む): 55554240

約数和(自身を除く): 34187388

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4524, 4723, 9446, 14169, 18892, 28338, 56676, 61399, 122798, 136967, 184197, 245596, 273934, 368394, 410901, 547868, 736788, 821802, 1643604, 1780571, 3561142, 5341713, 7122284, 10683426, 21366852]

約数ペア:

[(1, 21366852), (2, 10683426), (3, 7122284), (4, 5341713), (6, 3561142), (12, 1780571), (13, 1643604), (26, 821802), (29, 736788), (39, 547868), (52, 410901), (58, 368394), (78, 273934), (87, 245596), (116, 184197), (156, 136967), (174, 122798), (348, 61399), (377, 56676), (754, 28338), (1131, 18892), (1508, 14169), (2262, 9446), (4524, 4723)]