21029304890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8101}}^1\times {\mathrm{23599}}^1$

素因数の和:31718

約数の個数: 32

約数和(自身を含む): 41300755200

約数和(自身を除く): 20271450310

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 8101, 16202, 23599, 40505, 47198, 81010, 89111, 117995, 178222, 235990, 259589, 445555, 519178, 891110, 1297945, 2595890, 191175499, 382350998, 955877495, 1911754990, 2102930489, 4205860978, 10514652445, 21029304890]

約数ペア:

[(1, 21029304890), (2, 10514652445), (5, 4205860978), (10, 2102930489), (11, 1911754990), (22, 955877495), (55, 382350998), (110, 191175499), (8101, 2595890), (16202, 1297945), (23599, 891110), (40505, 519178), (47198, 445555), (81010, 259589), (89111, 235990), (117995, 178222)]