21910240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 57697920

約数和(自身を除く): 35787680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 59, 80, 88, 110, 118, 160, 176, 211, 220, 236, 295, 352, 422, 440, 472, 590, 649, 844, 880, 944, 1055, 1180, 1298, 1688, 1760, 1888, 2110, 2321, 2360, 2596, 3245, 3376, 4220, 4642, 4720, 5192, 6490, 6752, 8440, 9284, 9440, 10384, 11605, 12449, 12980, 16880, 18568, 20768, 23210, 24898, 25960, 33760, 37136, 46420, 49796, 51920, 62245, 74272, 92840, 99592, 103840, 124490, 136939, 185680, 199184, 248980, 273878, 371360, 398368, 497960, 547756, 684695, 995920, 1095512, 1369390, 1991840, 2191024, 2738780, 4382048, 5477560, 10955120, 21910240]

約数ペア:

[(1, 21910240), (2, 10955120), (4, 5477560), (5, 4382048), (8, 2738780), (10, 2191024), (11, 1991840), (16, 1369390), (20, 1095512), (22, 995920), (32, 684695), (40, 547756), (44, 497960), (55, 398368), (59, 371360), (80, 273878), (88, 248980), (110, 199184), (118, 185680), (160, 136939), (176, 124490), (211, 103840), (220, 99592), (236, 92840), (295, 74272), (352, 62245), (422, 51920), (440, 49796), (472, 46420), (590, 37136), (649, 33760), (844, 25960), (880, 24898), (944, 23210), (1055, 20768), (1180, 18568), (1298, 16880), (1688, 12980), (1760, 12449), (1888, 11605), (2110, 10384), (2321, 9440), (2360, 9284), (2596, 8440), (3245, 6752), (3376, 6490), (4220, 5192), (4642, 4720)]