21836295

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 41190240

約数和(自身を除く): 19353945

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 163, 195, 229, 489, 585, 687, 815, 1145, 1467, 2061, 2119, 2445, 2977, 3435, 6357, 7335, 8931, 10305, 10595, 14885, 19071, 26793, 31785, 37327, 44655, 95355, 111981, 133965, 186635, 335943, 485251, 559905, 1455753, 1679715, 2426255, 4367259, 7278765, 21836295]

約数ペア:

[(1, 21836295), (3, 7278765), (5, 4367259), (9, 2426255), (13, 1679715), (15, 1455753), (39, 559905), (45, 485251), (65, 335943), (117, 186635), (163, 133965), (195, 111981), (229, 95355), (489, 44655), (585, 37327), (687, 31785), (815, 26793), (1145, 19071), (1467, 14885), (2061, 10595), (2119, 10305), (2445, 8931), (2977, 7335), (3435, 6357)]