210917810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{4943}}^1$

素因数の和:5218

約数の個数: 32

約数和(自身を含む): 403667712

約数和(自身を除く): 192749902

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251, 502, 1255, 2510, 4267, 4943, 8534, 9886, 21335, 24715, 42670, 49430, 84031, 168062, 420155, 840310, 1240693, 2481386, 6203465, 12406930, 21091781, 42183562, 105458905, 210917810]

約数ペア:

[(1, 210917810), (2, 105458905), (5, 42183562), (10, 21091781), (17, 12406930), (34, 6203465), (85, 2481386), (170, 1240693), (251, 840310), (502, 420155), (1255, 168062), (2510, 84031), (4267, 49430), (4943, 42670), (8534, 24715), (9886, 21335)]