21357180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9127}}^1$

素因数の和:9155

約数の個数: 72

約数和(自身を含む): 69774432

約数和(自身を除く): 48417252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 9127, 18254, 27381, 36508, 45635, 54762, 82143, 91270, 109524, 118651, 136905, 164286, 182540, 237302, 273810, 328572, 355953, 410715, 474604, 547620, 593255, 711906, 821430, 1067859, 1186510, 1423812, 1642860, 1779765, 2135718, 2373020, 3559530, 4271436, 5339295, 7119060, 10678590, 21357180]

約数ペア:

[(1, 21357180), (2, 10678590), (3, 7119060), (4, 5339295), (5, 4271436), (6, 3559530), (9, 2373020), (10, 2135718), (12, 1779765), (13, 1642860), (15, 1423812), (18, 1186510), (20, 1067859), (26, 821430), (30, 711906), (36, 593255), (39, 547620), (45, 474604), (52, 410715), (60, 355953), (65, 328572), (78, 273810), (90, 237302), (117, 182540), (130, 164286), (156, 136905), (180, 118651), (195, 109524), (234, 91270), (260, 82143), (390, 54762), (468, 45635), (585, 36508), (780, 27381), (1170, 18254), (2340, 9127)]