21107700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:566

約数の個数: 108

約数和(自身を含む): 67704000

約数和(自身を除く): 46596300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 47, 50, 60, 75, 90, 94, 100, 141, 150, 180, 188, 225, 235, 282, 300, 423, 450, 470, 499, 564, 705, 846, 900, 940, 998, 1175, 1410, 1497, 1692, 1996, 2115, 2350, 2495, 2820, 2994, 3525, 4230, 4491, 4700, 4990, 5988, 7050, 7485, 8460, 8982, 9980, 10575, 12475, 14100, 14970, 17964, 21150, 22455, 23453, 24950, 29940, 37425, 42300, 44910, 46906, 49900, 70359, 74850, 89820, 93812, 112275, 117265, 140718, 149700, 211077, 224550, 234530, 281436, 351795, 422154, 449100, 469060, 586325, 703590, 844308, 1055385, 1172650, 1407180, 1758975, 2110770, 2345300, 3517950, 4221540, 5276925, 7035900, 10553850, 21107700]

約数ペア:

[(1, 21107700), (2, 10553850), (3, 7035900), (4, 5276925), (5, 4221540), (6, 3517950), (9, 2345300), (10, 2110770), (12, 1758975), (15, 1407180), (18, 1172650), (20, 1055385), (25, 844308), (30, 703590), (36, 586325), (45, 469060), (47, 449100), (50, 422154), (60, 351795), (75, 281436), (90, 234530), (94, 224550), (100, 211077), (141, 149700), (150, 140718), (180, 117265), (188, 112275), (225, 93812), (235, 89820), (282, 74850), (300, 70359), (423, 49900), (450, 46906), (470, 44910), (499, 42300), (564, 37425), (705, 29940), (846, 24950), (900, 23453), (940, 22455), (998, 21150), (1175, 17964), (1410, 14970), (1497, 14100), (1692, 12475), (1996, 10575), (2115, 9980), (2350, 8982), (2495, 8460), (2820, 7485), (2994, 7050), (3525, 5988), (4230, 4990), (4491, 4700)]