21682950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4663}}^1$

素因数の和:4709

約数の個数: 48

約数和(自身を含む): 55520256

約数和(自身を除く): 33837306

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 150, 155, 186, 310, 465, 775, 930, 1550, 2325, 4650, 4663, 9326, 13989, 23315, 27978, 46630, 69945, 116575, 139890, 144553, 233150, 289106, 349725, 433659, 699450, 722765, 867318, 1445530, 2168295, 3613825, 4336590, 7227650, 10841475, 21682950]

約数ペア:

[(1, 21682950), (2, 10841475), (3, 7227650), (5, 4336590), (6, 3613825), (10, 2168295), (15, 1445530), (25, 867318), (30, 722765), (31, 699450), (50, 433659), (62, 349725), (75, 289106), (93, 233150), (150, 144553), (155, 139890), (186, 116575), (310, 69945), (465, 46630), (775, 27978), (930, 23315), (1550, 13989), (2325, 9326), (4650, 4663)]