21401083570

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^2\times {\mathrm{139}}^1\times {\mathrm{4423}}^1$

素因数の和:4687

約数の個数: 48

約数和(自身を含む): 39476767680

約数和(自身を除く): 18075684110

約数列:

[1, 2, 5, 10, 59, 118, 139, 278, 295, 590, 695, 1390, 3481, 4423, 6962, 8201, 8846, 16402, 17405, 22115, 34810, 41005, 44230, 82010, 260957, 483859, 521914, 614797, 967718, 1229594, 1304785, 2419295, 2609570, 3073985, 4838590, 6147970, 15396463, 30792926, 36273023, 72546046, 76982315, 153964630, 181365115, 362730230, 2140108357, 4280216714, 10700541785, 21401083570]

約数ペア:

[(1, 21401083570), (2, 10700541785), (5, 4280216714), (10, 2140108357), (59, 362730230), (118, 181365115), (139, 153964630), (278, 76982315), (295, 72546046), (590, 36273023), (695, 30792926), (1390, 15396463), (3481, 6147970), (4423, 4838590), (6962, 3073985), (8201, 2609570), (8846, 2419295), (16402, 1304785), (17405, 1229594), (22115, 967718), (34810, 614797), (41005, 521914), (44230, 483859), (82010, 260957)]