21422380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9001}}^1$

素因数の和:9034

約数の個数: 48

約数和(自身を含む): 54444096

約数和(自身を除く): 33021716

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 9001, 18002, 36004, 45005, 63007, 90010, 126014, 153017, 180020, 252028, 306034, 315035, 612068, 630070, 765085, 1071119, 1260140, 1530170, 2142238, 3060340, 4284476, 5355595, 10711190, 21422380]

約数ペア:

[(1, 21422380), (2, 10711190), (4, 5355595), (5, 4284476), (7, 3060340), (10, 2142238), (14, 1530170), (17, 1260140), (20, 1071119), (28, 765085), (34, 630070), (35, 612068), (68, 315035), (70, 306034), (85, 252028), (119, 180020), (140, 153017), (170, 126014), (238, 90010), (340, 63007), (476, 45005), (595, 36004), (1190, 18002), (2380, 9001)]