21704850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:504

約数の個数: 72

約数和(自身を含む): 58902480

約数和(自身を除く): 37197630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 139, 150, 225, 278, 347, 417, 450, 694, 695, 834, 1041, 1251, 1390, 1735, 2082, 2085, 2502, 3123, 3470, 3475, 4170, 5205, 6246, 6255, 6950, 8675, 10410, 10425, 12510, 15615, 17350, 20850, 26025, 31230, 31275, 48233, 52050, 62550, 78075, 96466, 144699, 156150, 241165, 289398, 434097, 482330, 723495, 868194, 1205825, 1446990, 2170485, 2411650, 3617475, 4340970, 7234950, 10852425, 21704850]

約数ペア:

[(1, 21704850), (2, 10852425), (3, 7234950), (5, 4340970), (6, 3617475), (9, 2411650), (10, 2170485), (15, 1446990), (18, 1205825), (25, 868194), (30, 723495), (45, 482330), (50, 434097), (75, 289398), (90, 241165), (139, 156150), (150, 144699), (225, 96466), (278, 78075), (347, 62550), (417, 52050), (450, 48233), (694, 31275), (695, 31230), (834, 26025), (1041, 20850), (1251, 17350), (1390, 15615), (1735, 12510), (2082, 10425), (2085, 10410), (2502, 8675), (3123, 6950), (3470, 6255), (3475, 6246), (4170, 5205)]