21940740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1050

約数の個数: 96

約数和(自身を含む): 69995520

約数和(自身を除く): 48054780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 82, 90, 108, 123, 135, 164, 180, 205, 246, 270, 369, 410, 492, 540, 615, 738, 820, 991, 1107, 1230, 1476, 1845, 1982, 2214, 2460, 2973, 3690, 3964, 4428, 4955, 5535, 5946, 7380, 8919, 9910, 11070, 11892, 14865, 17838, 19820, 22140, 26757, 29730, 35676, 40631, 44595, 53514, 59460, 81262, 89190, 107028, 121893, 133785, 162524, 178380, 203155, 243786, 267570, 365679, 406310, 487572, 535140, 609465, 731358, 812620, 1097037, 1218930, 1462716, 1828395, 2194074, 2437860, 3656790, 4388148, 5485185, 7313580, 10970370, 21940740]

約数ペア:

[(1, 21940740), (2, 10970370), (3, 7313580), (4, 5485185), (5, 4388148), (6, 3656790), (9, 2437860), (10, 2194074), (12, 1828395), (15, 1462716), (18, 1218930), (20, 1097037), (27, 812620), (30, 731358), (36, 609465), (41, 535140), (45, 487572), (54, 406310), (60, 365679), (82, 267570), (90, 243786), (108, 203155), (123, 178380), (135, 162524), (164, 133785), (180, 121893), (205, 107028), (246, 89190), (270, 81262), (369, 59460), (410, 53514), (492, 44595), (540, 40631), (615, 35676), (738, 29730), (820, 26757), (991, 22140), (1107, 19820), (1230, 17838), (1476, 14865), (1845, 11892), (1982, 11070), (2214, 9910), (2460, 8919), (2973, 7380), (3690, 5946), (3964, 5535), (4428, 4955)]