21135330

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:385

約数の個数: 80

約数和(自身を含む): 57629880

約数和(自身を除く): 36494550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 97, 135, 162, 194, 269, 270, 291, 405, 485, 538, 582, 807, 810, 873, 970, 1345, 1455, 1614, 1746, 2421, 2619, 2690, 2910, 4035, 4365, 4842, 5238, 7263, 7857, 8070, 8730, 12105, 13095, 14526, 15714, 21789, 24210, 26093, 26190, 36315, 39285, 43578, 52186, 72630, 78279, 78570, 108945, 130465, 156558, 217890, 234837, 260930, 391395, 469674, 704511, 782790, 1174185, 1409022, 2113533, 2348370, 3522555, 4227066, 7045110, 10567665, 21135330]

約数ペア:

[(1, 21135330), (2, 10567665), (3, 7045110), (5, 4227066), (6, 3522555), (9, 2348370), (10, 2113533), (15, 1409022), (18, 1174185), (27, 782790), (30, 704511), (45, 469674), (54, 391395), (81, 260930), (90, 234837), (97, 217890), (135, 156558), (162, 130465), (194, 108945), (269, 78570), (270, 78279), (291, 72630), (405, 52186), (485, 43578), (538, 39285), (582, 36315), (807, 26190), (810, 26093), (873, 24210), (970, 21789), (1345, 15714), (1455, 14526), (1614, 13095), (1746, 12105), (2421, 8730), (2619, 8070), (2690, 7857), (2910, 7263), (4035, 5238), (4365, 4842)]