21830772

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 56361760

約数和(自身を除く): 34530988

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 181, 228, 276, 362, 437, 529, 543, 724, 874, 1058, 1086, 1311, 1587, 1748, 2116, 2172, 2622, 3174, 3439, 4163, 5244, 6348, 6878, 8326, 10051, 10317, 12489, 13756, 16652, 20102, 20634, 24978, 30153, 40204, 41268, 49956, 60306, 79097, 95749, 120612, 158194, 191498, 237291, 287247, 316388, 382996, 474582, 574494, 949164, 1148988, 1819231, 3638462, 5457693, 7276924, 10915386, 21830772]

約数ペア:

[(1, 21830772), (2, 10915386), (3, 7276924), (4, 5457693), (6, 3638462), (12, 1819231), (19, 1148988), (23, 949164), (38, 574494), (46, 474582), (57, 382996), (69, 316388), (76, 287247), (92, 237291), (114, 191498), (138, 158194), (181, 120612), (228, 95749), (276, 79097), (362, 60306), (437, 49956), (529, 41268), (543, 40204), (724, 30153), (874, 24978), (1058, 20634), (1086, 20102), (1311, 16652), (1587, 13756), (1748, 12489), (2116, 10317), (2172, 10051), (2622, 8326), (3174, 6878), (3439, 6348), (4163, 5244)]