21797048

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 51072000

約数和(自身を除く): 29274952

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 79, 91, 104, 158, 182, 316, 364, 379, 553, 632, 728, 758, 1027, 1106, 1516, 2054, 2212, 2653, 3032, 4108, 4424, 4927, 5306, 7189, 8216, 9854, 10612, 14378, 19708, 21224, 28756, 29941, 34489, 39416, 57512, 59882, 68978, 119764, 137956, 209587, 239528, 275912, 389233, 419174, 778466, 838348, 1556932, 1676696, 2724631, 3113864, 5449262, 10898524, 21797048]

約数ペア:

[(1, 21797048), (2, 10898524), (4, 5449262), (7, 3113864), (8, 2724631), (13, 1676696), (14, 1556932), (26, 838348), (28, 778466), (52, 419174), (56, 389233), (79, 275912), (91, 239528), (104, 209587), (158, 137956), (182, 119764), (316, 68978), (364, 59882), (379, 57512), (553, 39416), (632, 34489), (728, 29941), (758, 28756), (1027, 21224), (1106, 19708), (1516, 14378), (2054, 10612), (2212, 9854), (2653, 8216), (3032, 7189), (4108, 5306), (4424, 4927)]