21656330

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1409}}^1$

素因数の和:1498

約数の個数: 32

約数和(自身を含む): 41115600

約数和(自身を除く): 19459270

約数列:

[1, 2, 5, 10, 29, 53, 58, 106, 145, 265, 290, 530, 1409, 1537, 2818, 3074, 7045, 7685, 14090, 15370, 40861, 74677, 81722, 149354, 204305, 373385, 408610, 746770, 2165633, 4331266, 10828165, 21656330]

約数ペア:

[(1, 21656330), (2, 10828165), (5, 4331266), (10, 2165633), (29, 746770), (53, 408610), (58, 373385), (106, 204305), (145, 149354), (265, 81722), (290, 74677), (530, 40861), (1409, 15370), (1537, 14090), (2818, 7685), (3074, 7045)]