21942960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{541}}^1$

素因数の和:583

約数の個数: 120

約数和(自身を含む): 73794384

約数和(自身を除く): 51851424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 541, 624, 676, 780, 845, 1014, 1040, 1082, 1352, 1560, 1623, 1690, 2028, 2164, 2535, 2704, 2705, 3120, 3246, 3380, 4056, 4328, 5070, 5410, 6492, 6760, 7033, 8112, 8115, 8656, 10140, 10820, 12984, 13520, 14066, 16230, 20280, 21099, 21640, 25968, 28132, 32460, 35165, 40560, 42198, 43280, 56264, 64920, 70330, 84396, 91429, 105495, 112528, 129840, 140660, 168792, 182858, 210990, 274287, 281320, 337584, 365716, 421980, 457145, 548574, 562640, 731432, 843960, 914290, 1097148, 1371435, 1462864, 1687920, 1828580, 2194296, 2742870, 3657160, 4388592, 5485740, 7314320, 10971480, 21942960]

約数ペア:

[(1, 21942960), (2, 10971480), (3, 7314320), (4, 5485740), (5, 4388592), (6, 3657160), (8, 2742870), (10, 2194296), (12, 1828580), (13, 1687920), (15, 1462864), (16, 1371435), (20, 1097148), (24, 914290), (26, 843960), (30, 731432), (39, 562640), (40, 548574), (48, 457145), (52, 421980), (60, 365716), (65, 337584), (78, 281320), (80, 274287), (104, 210990), (120, 182858), (130, 168792), (156, 140660), (169, 129840), (195, 112528), (208, 105495), (240, 91429), (260, 84396), (312, 70330), (338, 64920), (390, 56264), (507, 43280), (520, 42198), (541, 40560), (624, 35165), (676, 32460), (780, 28132), (845, 25968), (1014, 21640), (1040, 21099), (1082, 20280), (1352, 16230), (1560, 14066), (1623, 13520), (1690, 12984), (2028, 10820), (2164, 10140), (2535, 8656), (2704, 8115), (2705, 8112), (3120, 7033), (3246, 6760), (3380, 6492), (4056, 5410), (4328, 5070)]