21224983100

素因数分解:

$2^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{727}}^1\times {\mathrm{1613}}^1$

素因数の和:2535

約数の個数: 72

約数和(自身を含む): 46405134048

約数和(自身を除く): 25180150948

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 181, 362, 724, 727, 905, 1454, 1613, 1810, 2908, 3226, 3620, 3635, 4525, 6452, 7270, 8065, 9050, 14540, 16130, 18100, 18175, 32260, 36350, 40325, 72700, 80650, 131587, 161300, 263174, 291953, 526348, 583906, 657935, 1167812, 1172651, 1315870, 1459765, 2345302, 2631740, 2919530, 3289675, 4690604, 5839060, 5863255, 6579350, 7298825, 11726510, 13158700, 14597650, 23453020, 29195300, 29316275, 58632550, 117265100, 212249831, 424499662, 848999324, 1061249155, 2122498310, 4244996620, 5306245775, 10612491550, 21224983100]

約数ペア:

[(1, 21224983100), (2, 10612491550), (4, 5306245775), (5, 4244996620), (10, 2122498310), (20, 1061249155), (25, 848999324), (50, 424499662), (100, 212249831), (181, 117265100), (362, 58632550), (724, 29316275), (727, 29195300), (905, 23453020), (1454, 14597650), (1613, 13158700), (1810, 11726510), (2908, 7298825), (3226, 6579350), (3620, 5863255), (3635, 5839060), (4525, 4690604), (6452, 3289675), (7270, 2919530), (8065, 2631740), (9050, 2345302), (14540, 1459765), (16130, 1315870), (18100, 1172651), (18175, 1167812), (32260, 657935), (36350, 583906), (40325, 526348), (72700, 291953), (80650, 263174), (131587, 161300)]