21465106

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 36369648

約数和(自身を除く): 14904542

約数列:

[1, 2, 13, 26, 37, 53, 74, 106, 421, 481, 689, 842, 962, 1378, 1961, 3922, 5473, 10946, 15577, 22313, 25493, 31154, 44626, 50986, 202501, 290069, 405002, 580138, 825581, 1651162, 10732553, 21465106]

約数ペア:

[(1, 21465106), (2, 10732553), (13, 1651162), (26, 825581), (37, 580138), (53, 405002), (74, 290069), (106, 202501), (421, 50986), (481, 44626), (689, 31154), (842, 25493), (962, 22313), (1378, 15577), (1961, 10946), (3922, 5473)]