21601190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1867}}^1$

素因数の和:1976

約数の個数: 32

約数和(自身を含む): 42366240

約数和(自身を除く): 20765050

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 1867, 2314, 3734, 5785, 9335, 11570, 18670, 24271, 48542, 121355, 166163, 242710, 332326, 830815, 1661630, 2160119, 4320238, 10800595, 21601190]

約数ペア:

[(1, 21601190), (2, 10800595), (5, 4320238), (10, 2160119), (13, 1661630), (26, 830815), (65, 332326), (89, 242710), (130, 166163), (178, 121355), (445, 48542), (890, 24271), (1157, 18670), (1867, 11570), (2314, 9335), (3734, 5785)]