21363084

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 58142448

約数和(自身を除く): 36779364

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 67, 68, 102, 134, 153, 201, 204, 268, 306, 402, 521, 603, 612, 804, 1042, 1139, 1206, 1563, 2084, 2278, 2412, 3126, 3417, 4556, 4689, 6252, 6834, 8857, 9378, 10251, 13668, 17714, 18756, 20502, 26571, 34907, 35428, 41004, 53142, 69814, 79713, 104721, 106284, 139628, 159426, 209442, 314163, 318852, 418884, 593419, 628326, 1186838, 1256652, 1780257, 2373676, 3560514, 5340771, 7121028, 10681542, 21363084]

約数ペア:

[(1, 21363084), (2, 10681542), (3, 7121028), (4, 5340771), (6, 3560514), (9, 2373676), (12, 1780257), (17, 1256652), (18, 1186838), (34, 628326), (36, 593419), (51, 418884), (67, 318852), (68, 314163), (102, 209442), (134, 159426), (153, 139628), (201, 106284), (204, 104721), (268, 79713), (306, 69814), (402, 53142), (521, 41004), (603, 35428), (612, 34907), (804, 26571), (1042, 20502), (1139, 18756), (1206, 17714), (1563, 13668), (2084, 10251), (2278, 9378), (2412, 8857), (3126, 6834), (3417, 6252), (4556, 4689)]