21237060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1433}}^1$

素因数の和:1477

約数の個数: 96

約数和(自身を含む): 67455360

約数和(自身を除く): 46218300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1433, 1482, 2470, 2866, 2964, 3705, 4299, 4940, 5732, 7165, 7410, 8598, 14330, 14820, 17196, 18629, 21495, 27227, 28660, 37258, 42990, 54454, 55887, 74516, 81681, 85980, 93145, 108908, 111774, 136135, 163362, 186290, 223548, 272270, 279435, 326724, 353951, 372580, 408405, 544540, 558870, 707902, 816810, 1061853, 1117740, 1415804, 1633620, 1769755, 2123706, 3539510, 4247412, 5309265, 7079020, 10618530, 21237060]

約数ペア:

[(1, 21237060), (2, 10618530), (3, 7079020), (4, 5309265), (5, 4247412), (6, 3539510), (10, 2123706), (12, 1769755), (13, 1633620), (15, 1415804), (19, 1117740), (20, 1061853), (26, 816810), (30, 707902), (38, 558870), (39, 544540), (52, 408405), (57, 372580), (60, 353951), (65, 326724), (76, 279435), (78, 272270), (95, 223548), (114, 186290), (130, 163362), (156, 136135), (190, 111774), (195, 108908), (228, 93145), (247, 85980), (260, 81681), (285, 74516), (380, 55887), (390, 54454), (494, 42990), (570, 37258), (741, 28660), (780, 27227), (988, 21495), (1140, 18629), (1235, 17196), (1433, 14820), (1482, 14330), (2470, 8598), (2866, 7410), (2964, 7165), (3705, 5732), (4299, 4940)]