21454368

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17191}}^1$

素因数の和:17217

約数の個数: 48

約数和(自身を含む): 60653376

約数和(自身を除く): 39199008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 17191, 34382, 51573, 68764, 103146, 137528, 206292, 223483, 275056, 412584, 446966, 550112, 670449, 825168, 893932, 1340898, 1650336, 1787864, 2681796, 3575728, 5363592, 7151456, 10727184, 21454368]

約数ペア:

[(1, 21454368), (2, 10727184), (3, 7151456), (4, 5363592), (6, 3575728), (8, 2681796), (12, 1787864), (13, 1650336), (16, 1340898), (24, 893932), (26, 825168), (32, 670449), (39, 550112), (48, 446966), (52, 412584), (78, 275056), (96, 223483), (104, 206292), (156, 137528), (208, 103146), (312, 68764), (416, 51573), (624, 34382), (1248, 17191)]