21398062

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 38139840

約数和(自身を除く): 16741778

約数列:

[1, 2, 7, 14, 37, 74, 101, 202, 259, 409, 518, 707, 818, 1414, 2863, 3737, 5726, 7474, 15133, 26159, 30266, 41309, 52318, 82618, 105931, 211862, 289163, 578326, 1528433, 3056866, 10699031, 21398062]

約数ペア:

[(1, 21398062), (2, 10699031), (7, 3056866), (14, 1528433), (37, 578326), (74, 289163), (101, 211862), (202, 105931), (259, 82618), (409, 52318), (518, 41309), (707, 30266), (818, 26159), (1414, 15133), (2863, 7474), (3737, 5726)]