21190572

素因数分解:

$2^2\times 3^6\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 126

約数和(自身を含む): 61605852

約数和(自身を除く): 40415280

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 43, 52, 54, 78, 81, 86, 108, 117, 129, 156, 162, 169, 172, 234, 243, 258, 324, 338, 351, 387, 468, 486, 507, 516, 559, 676, 702, 729, 774, 972, 1014, 1053, 1118, 1161, 1404, 1458, 1521, 1548, 1677, 2028, 2106, 2236, 2322, 2916, 3042, 3159, 3354, 3483, 4212, 4563, 4644, 5031, 6084, 6318, 6708, 6966, 7267, 9126, 9477, 10062, 10449, 12636, 13689, 13932, 14534, 15093, 18252, 18954, 20124, 20898, 21801, 27378, 29068, 30186, 31347, 37908, 41067, 41796, 43602, 45279, 54756, 60372, 62694, 65403, 82134, 87204, 90558, 123201, 125388, 130806, 135837, 164268, 181116, 196209, 246402, 261612, 271674, 392418, 407511, 492804, 543348, 588627, 784836, 815022, 1177254, 1630044, 1765881, 2354508, 3531762, 5297643, 7063524, 10595286, 21190572]

約数ペア:

[(1, 21190572), (2, 10595286), (3, 7063524), (4, 5297643), (6, 3531762), (9, 2354508), (12, 1765881), (13, 1630044), (18, 1177254), (26, 815022), (27, 784836), (36, 588627), (39, 543348), (43, 492804), (52, 407511), (54, 392418), (78, 271674), (81, 261612), (86, 246402), (108, 196209), (117, 181116), (129, 164268), (156, 135837), (162, 130806), (169, 125388), (172, 123201), (234, 90558), (243, 87204), (258, 82134), (324, 65403), (338, 62694), (351, 60372), (387, 54756), (468, 45279), (486, 43602), (507, 41796), (516, 41067), (559, 37908), (676, 31347), (702, 30186), (729, 29068), (774, 27378), (972, 21801), (1014, 20898), (1053, 20124), (1118, 18954), (1161, 18252), (1404, 15093), (1458, 14534), (1521, 13932), (1548, 13689), (1677, 12636), (2028, 10449), (2106, 10062), (2236, 9477), (2322, 9126), (2916, 7267), (3042, 6966), (3159, 6708), (3354, 6318), (3483, 6084), (4212, 5031), (4563, 4644)]