21777888844

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{977}}^1\times {\mathrm{1217}}^1$

素因数の和:2458

約数の個数: 48

約数和(自身を含む): 40357991520

約数和(自身を除く): 18580102676

約数列:

[1, 2, 4, 19, 38, 76, 241, 482, 964, 977, 1217, 1954, 2434, 3908, 4579, 4868, 9158, 18316, 18563, 23123, 37126, 46246, 74252, 92492, 235457, 293297, 470914, 586594, 941828, 1173188, 1189009, 2378018, 4473683, 4756036, 5572643, 8947366, 11145286, 17894732, 22290572, 22591171, 45182342, 90364684, 286551169, 573102338, 1146204676, 5444472211, 10888944422, 21777888844]

約数ペア:

[(1, 21777888844), (2, 10888944422), (4, 5444472211), (19, 1146204676), (38, 573102338), (76, 286551169), (241, 90364684), (482, 45182342), (964, 22591171), (977, 22290572), (1217, 17894732), (1954, 11145286), (2434, 8947366), (3908, 5572643), (4579, 4756036), (4868, 4473683), (9158, 2378018), (18316, 1189009), (18563, 1173188), (23123, 941828), (37126, 586594), (46246, 470914), (74252, 293297), (92492, 235457)]