21213096

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 54950400

約数和(自身を除く): 33737304

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 71, 118, 142, 177, 211, 213, 236, 284, 354, 422, 426, 472, 568, 633, 708, 844, 852, 1266, 1416, 1688, 1704, 2532, 4189, 5064, 8378, 12449, 12567, 14981, 16756, 24898, 25134, 29962, 33512, 37347, 44943, 49796, 50268, 59924, 74694, 89886, 99592, 100536, 119848, 149388, 179772, 298776, 359544, 883879, 1767758, 2651637, 3535516, 5303274, 7071032, 10606548, 21213096]

約数ペア:

[(1, 21213096), (2, 10606548), (3, 7071032), (4, 5303274), (6, 3535516), (8, 2651637), (12, 1767758), (24, 883879), (59, 359544), (71, 298776), (118, 179772), (142, 149388), (177, 119848), (211, 100536), (213, 99592), (236, 89886), (284, 74694), (354, 59924), (422, 50268), (426, 49796), (472, 44943), (568, 37347), (633, 33512), (708, 29962), (844, 25134), (852, 24898), (1266, 16756), (1416, 14981), (1688, 12567), (1704, 12449), (2532, 8378), (4189, 5064)]