21159060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27127}}^1$

素因数の和:27152

約数の個数: 48

約数和(自身を含む): 63805056

約数和(自身を除く): 42645996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 27127, 54254, 81381, 108508, 135635, 162762, 271270, 325524, 352651, 406905, 542540, 705302, 813810, 1057953, 1410604, 1627620, 1763255, 2115906, 3526510, 4231812, 5289765, 7053020, 10579530, 21159060]

約数ペア:

[(1, 21159060), (2, 10579530), (3, 7053020), (4, 5289765), (5, 4231812), (6, 3526510), (10, 2115906), (12, 1763255), (13, 1627620), (15, 1410604), (20, 1057953), (26, 813810), (30, 705302), (39, 542540), (52, 406905), (60, 352651), (65, 325524), (78, 271270), (130, 162762), (156, 135635), (195, 108508), (260, 81381), (390, 54254), (780, 27127)]