21138732

素因数分解:

$2^2\times 3^4\times {\mathrm{53}}^1\times {\mathrm{1231}}^1$

素因数の和:1300

約数の個数: 60

約数和(自身を含む): 56349216

約数和(自身を除く): 35210484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 81, 106, 108, 159, 162, 212, 318, 324, 477, 636, 954, 1231, 1431, 1908, 2462, 2862, 3693, 4293, 4924, 5724, 7386, 8586, 11079, 14772, 17172, 22158, 33237, 44316, 65243, 66474, 99711, 130486, 132948, 195729, 199422, 260972, 391458, 398844, 587187, 782916, 1174374, 1761561, 2348748, 3523122, 5284683, 7046244, 10569366, 21138732]

約数ペア:

[(1, 21138732), (2, 10569366), (3, 7046244), (4, 5284683), (6, 3523122), (9, 2348748), (12, 1761561), (18, 1174374), (27, 782916), (36, 587187), (53, 398844), (54, 391458), (81, 260972), (106, 199422), (108, 195729), (159, 132948), (162, 130486), (212, 99711), (318, 66474), (324, 65243), (477, 44316), (636, 33237), (954, 22158), (1231, 17172), (1431, 14772), (1908, 11079), (2462, 8586), (2862, 7386), (3693, 5724), (4293, 4924)]