21690060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1$

素因数の和:1263

約数の個数: 96

約数和(自身を含む): 71081472

約数和(自身を除く): 49391412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1201, 1204, 1290, 1505, 1806, 2402, 2580, 3010, 3603, 3612, 4515, 4804, 6005, 6020, 7206, 8407, 9030, 12010, 14412, 16814, 18015, 18060, 24020, 25221, 33628, 36030, 42035, 50442, 51643, 72060, 84070, 100884, 103286, 126105, 154929, 168140, 206572, 252210, 258215, 309858, 361501, 504420, 516430, 619716, 723002, 774645, 1032860, 1084503, 1446004, 1549290, 1807505, 2169006, 3098580, 3615010, 4338012, 5422515, 7230020, 10845030, 21690060]

約数ペア:

[(1, 21690060), (2, 10845030), (3, 7230020), (4, 5422515), (5, 4338012), (6, 3615010), (7, 3098580), (10, 2169006), (12, 1807505), (14, 1549290), (15, 1446004), (20, 1084503), (21, 1032860), (28, 774645), (30, 723002), (35, 619716), (42, 516430), (43, 504420), (60, 361501), (70, 309858), (84, 258215), (86, 252210), (105, 206572), (129, 168140), (140, 154929), (172, 126105), (210, 103286), (215, 100884), (258, 84070), (301, 72060), (420, 51643), (430, 50442), (516, 42035), (602, 36030), (645, 33628), (860, 25221), (903, 24020), (1201, 18060), (1204, 18015), (1290, 16814), (1505, 14412), (1806, 12010), (2402, 9030), (2580, 8407), (3010, 7206), (3603, 6020), (3612, 6005), (4515, 4804)]