21151150

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{503}}^1$

素因数の和:573

約数の個数: 36

約数和(自身を含む): 40825512

約数和(自身を除く): 19674362

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 503, 725, 841, 1006, 1450, 1682, 2515, 4205, 5030, 8410, 12575, 14587, 21025, 25150, 29174, 42050, 72935, 145870, 364675, 423023, 729350, 846046, 2115115, 4230230, 10575575, 21151150]

約数ペア:

[(1, 21151150), (2, 10575575), (5, 4230230), (10, 2115115), (25, 846046), (29, 729350), (50, 423023), (58, 364675), (145, 145870), (290, 72935), (503, 42050), (725, 29174), (841, 25150), (1006, 21025), (1450, 14587), (1682, 12575), (2515, 8410), (4205, 5030)]