21092110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1823}}^1$

素因数の和:1932

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 20276210

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 1823, 2314, 3646, 5785, 9115, 11570, 18230, 23699, 47398, 118495, 162247, 236990, 324494, 811235, 1622470, 2109211, 4218422, 10546055, 21092110]

約数ペア:

[(1, 21092110), (2, 10546055), (5, 4218422), (10, 2109211), (13, 1622470), (26, 811235), (65, 324494), (89, 236990), (130, 162247), (178, 118495), (445, 47398), (890, 23699), (1157, 18230), (1823, 11570), (2314, 9115), (3646, 5785)]