21632260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 31993340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 29, 38, 52, 58, 65, 76, 95, 116, 130, 145, 151, 190, 247, 260, 290, 302, 377, 380, 494, 551, 580, 604, 754, 755, 988, 1102, 1235, 1508, 1510, 1885, 1963, 2204, 2470, 2755, 2869, 3020, 3770, 3926, 4379, 4940, 5510, 5738, 7163, 7540, 7852, 8758, 9815, 11020, 11476, 14326, 14345, 17516, 19630, 21895, 28652, 28690, 35815, 37297, 39260, 43790, 56927, 57380, 71630, 74594, 83201, 87580, 113854, 143260, 149188, 166402, 186485, 227708, 284635, 332804, 372970, 416005, 569270, 745940, 832010, 1081613, 1138540, 1664020, 2163226, 4326452, 5408065, 10816130, 21632260]

約数ペア:

[(1, 21632260), (2, 10816130), (4, 5408065), (5, 4326452), (10, 2163226), (13, 1664020), (19, 1138540), (20, 1081613), (26, 832010), (29, 745940), (38, 569270), (52, 416005), (58, 372970), (65, 332804), (76, 284635), (95, 227708), (116, 186485), (130, 166402), (145, 149188), (151, 143260), (190, 113854), (247, 87580), (260, 83201), (290, 74594), (302, 71630), (377, 57380), (380, 56927), (494, 43790), (551, 39260), (580, 37297), (604, 35815), (754, 28690), (755, 28652), (988, 21895), (1102, 19630), (1235, 17516), (1508, 14345), (1510, 14326), (1885, 11476), (1963, 11020), (2204, 9815), (2470, 8758), (2755, 7852), (2869, 7540), (3020, 7163), (3770, 5738), (3926, 5510), (4379, 4940)]