21055014

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 47698560

約数和(自身を除く): 26643546

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 97, 186, 194, 279, 291, 389, 558, 582, 778, 873, 1167, 1746, 2334, 3007, 3501, 6014, 7002, 9021, 12059, 18042, 24118, 27063, 36177, 37733, 54126, 72354, 75466, 108531, 113199, 217062, 226398, 339597, 679194, 1169723, 2339446, 3509169, 7018338, 10527507, 21055014]

約数ペア:

[(1, 21055014), (2, 10527507), (3, 7018338), (6, 3509169), (9, 2339446), (18, 1169723), (31, 679194), (62, 339597), (93, 226398), (97, 217062), (186, 113199), (194, 108531), (279, 75466), (291, 72354), (389, 54126), (558, 37733), (582, 36177), (778, 27063), (873, 24118), (1167, 18042), (1746, 12059), (2334, 9021), (3007, 7002), (3501, 6014)]