21810708

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{1181}}^1$

素因数の和:1219

約数の個数: 72

約数和(自身を含む): 60234720

約数和(自身を除く): 38424012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 486, 513, 684, 972, 1026, 1181, 1539, 2052, 2362, 3078, 3543, 4617, 4724, 6156, 7086, 9234, 10629, 14172, 18468, 21258, 22439, 31887, 42516, 44878, 63774, 67317, 89756, 95661, 127548, 134634, 191322, 201951, 269268, 286983, 382644, 403902, 573966, 605853, 807804, 1147932, 1211706, 1817559, 2423412, 3635118, 5452677, 7270236, 10905354, 21810708]

約数ペア:

[(1, 21810708), (2, 10905354), (3, 7270236), (4, 5452677), (6, 3635118), (9, 2423412), (12, 1817559), (18, 1211706), (19, 1147932), (27, 807804), (36, 605853), (38, 573966), (54, 403902), (57, 382644), (76, 286983), (81, 269268), (108, 201951), (114, 191322), (162, 134634), (171, 127548), (228, 95661), (243, 89756), (324, 67317), (342, 63774), (486, 44878), (513, 42516), (684, 31887), (972, 22439), (1026, 21258), (1181, 18468), (1539, 14172), (2052, 10629), (2362, 9234), (3078, 7086), (3543, 6156), (4617, 4724)]