21838968

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 61916400

約数和(自身を除く): 40077432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 59, 72, 97, 106, 118, 159, 177, 194, 212, 236, 291, 318, 354, 388, 424, 472, 477, 531, 582, 636, 708, 776, 873, 954, 1062, 1164, 1272, 1416, 1746, 1908, 2124, 2328, 3127, 3492, 3816, 4248, 5141, 5723, 6254, 6984, 9381, 10282, 11446, 12508, 15423, 17169, 18762, 20564, 22892, 25016, 28143, 30846, 34338, 37524, 41128, 45784, 46269, 51507, 56286, 61692, 68676, 75048, 92538, 103014, 112572, 123384, 137352, 185076, 206028, 225144, 303319, 370152, 412056, 606638, 909957, 1213276, 1819914, 2426552, 2729871, 3639828, 5459742, 7279656, 10919484, 21838968]

約数ペア:

[(1, 21838968), (2, 10919484), (3, 7279656), (4, 5459742), (6, 3639828), (8, 2729871), (9, 2426552), (12, 1819914), (18, 1213276), (24, 909957), (36, 606638), (53, 412056), (59, 370152), (72, 303319), (97, 225144), (106, 206028), (118, 185076), (159, 137352), (177, 123384), (194, 112572), (212, 103014), (236, 92538), (291, 75048), (318, 68676), (354, 61692), (388, 56286), (424, 51507), (472, 46269), (477, 45784), (531, 41128), (582, 37524), (636, 34338), (708, 30846), (776, 28143), (873, 25016), (954, 22892), (1062, 20564), (1164, 18762), (1272, 17169), (1416, 15423), (1746, 12508), (1908, 11446), (2124, 10282), (2328, 9381), (3127, 6984), (3492, 6254), (3816, 5723), (4248, 5141)]