21015576

素因数分解:

$2^3\times 3^2\times {\mathrm{151}}^1\times {\mathrm{1933}}^1$

素因数の和:2096

約数の個数: 48

約数和(自身を含む): 57323760

約数和(自身を除く): 36308184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 151, 302, 453, 604, 906, 1208, 1359, 1812, 1933, 2718, 3624, 3866, 5436, 5799, 7732, 10872, 11598, 15464, 17397, 23196, 34794, 46392, 69588, 139176, 291883, 583766, 875649, 1167532, 1751298, 2335064, 2626947, 3502596, 5253894, 7005192, 10507788, 21015576]

約数ペア:

[(1, 21015576), (2, 10507788), (3, 7005192), (4, 5253894), (6, 3502596), (8, 2626947), (9, 2335064), (12, 1751298), (18, 1167532), (24, 875649), (36, 583766), (72, 291883), (151, 139176), (302, 69588), (453, 46392), (604, 34794), (906, 23196), (1208, 17397), (1359, 15464), (1812, 11598), (1933, 10872), (2718, 7732), (3624, 5799), (3866, 5436)]