21998658

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2237}}^1$

素因数の和:2402

約数の個数: 32

約数和(自身を含む): 48340800

約数和(自身を除く): 26342142

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 149, 298, 447, 894, 1639, 2237, 3278, 4474, 4917, 6711, 9834, 13422, 24607, 49214, 73821, 147642, 333313, 666626, 999939, 1999878, 3666443, 7332886, 10999329, 21998658]

約数ペア:

[(1, 21998658), (2, 10999329), (3, 7332886), (6, 3666443), (11, 1999878), (22, 999939), (33, 666626), (66, 333313), (149, 147642), (298, 73821), (447, 49214), (894, 24607), (1639, 13422), (2237, 9834), (3278, 6711), (4474, 4917)]