21939060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2593

約数の個数: 96

約数和(自身を含む): 72196992

約数和(自身を除く): 50257932

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2557, 2860, 4290, 5114, 7671, 8580, 10228, 12785, 15342, 25570, 28127, 30684, 33241, 38355, 51140, 56254, 66482, 76710, 84381, 99723, 112508, 132964, 140635, 153420, 166205, 168762, 199446, 281270, 332410, 337524, 365651, 398892, 421905, 498615, 562540, 664820, 731302, 843810, 997230, 1096953, 1462604, 1687620, 1828255, 1994460, 2193906, 3656510, 4387812, 5484765, 7313020, 10969530, 21939060]

約数ペア:

[(1, 21939060), (2, 10969530), (3, 7313020), (4, 5484765), (5, 4387812), (6, 3656510), (10, 2193906), (11, 1994460), (12, 1828255), (13, 1687620), (15, 1462604), (20, 1096953), (22, 997230), (26, 843810), (30, 731302), (33, 664820), (39, 562540), (44, 498615), (52, 421905), (55, 398892), (60, 365651), (65, 337524), (66, 332410), (78, 281270), (110, 199446), (130, 168762), (132, 166205), (143, 153420), (156, 140635), (165, 132964), (195, 112508), (220, 99723), (260, 84381), (286, 76710), (330, 66482), (390, 56254), (429, 51140), (572, 38355), (660, 33241), (715, 30684), (780, 28127), (858, 25570), (1430, 15342), (1716, 12785), (2145, 10228), (2557, 8580), (2860, 7671), (4290, 5114)]