21168792

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 60147360

約数和(自身を除く): 38978568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 71, 72, 82, 101, 123, 142, 164, 202, 213, 246, 284, 303, 328, 369, 404, 426, 492, 568, 606, 639, 738, 808, 852, 909, 984, 1212, 1278, 1476, 1704, 1818, 2424, 2556, 2911, 2952, 3636, 4141, 5112, 5822, 7171, 7272, 8282, 8733, 11644, 12423, 14342, 16564, 17466, 21513, 23288, 24846, 26199, 28684, 33128, 34932, 37269, 43026, 49692, 52398, 57368, 64539, 69864, 74538, 86052, 99384, 104796, 129078, 149076, 172104, 209592, 258156, 294011, 298152, 516312, 588022, 882033, 1176044, 1764066, 2352088, 2646099, 3528132, 5292198, 7056264, 10584396, 21168792]

約数ペア:

[(1, 21168792), (2, 10584396), (3, 7056264), (4, 5292198), (6, 3528132), (8, 2646099), (9, 2352088), (12, 1764066), (18, 1176044), (24, 882033), (36, 588022), (41, 516312), (71, 298152), (72, 294011), (82, 258156), (101, 209592), (123, 172104), (142, 149076), (164, 129078), (202, 104796), (213, 99384), (246, 86052), (284, 74538), (303, 69864), (328, 64539), (369, 57368), (404, 52398), (426, 49692), (492, 43026), (568, 37269), (606, 34932), (639, 33128), (738, 28684), (808, 26199), (852, 24846), (909, 23288), (984, 21513), (1212, 17466), (1278, 16564), (1476, 14342), (1704, 12423), (1818, 11644), (2424, 8733), (2556, 8282), (2911, 7272), (2952, 7171), (3636, 5822), (4141, 5112)]