21072636

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{5003}}^1$

素因数の和:5032

約数の個数: 60

約数和(自身を含む): 59337432

約数和(自身を除く): 38264796

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 5003, 10006, 15009, 20012, 30018, 45027, 60036, 65039, 90054, 130078, 135081, 180108, 195117, 260156, 270162, 390234, 405243, 540324, 585351, 780468, 810486, 1170702, 1620972, 1756053, 2341404, 3512106, 5268159, 7024212, 10536318, 21072636]

約数ペア:

[(1, 21072636), (2, 10536318), (3, 7024212), (4, 5268159), (6, 3512106), (9, 2341404), (12, 1756053), (13, 1620972), (18, 1170702), (26, 810486), (27, 780468), (36, 585351), (39, 540324), (52, 405243), (54, 390234), (78, 270162), (81, 260156), (108, 195117), (117, 180108), (156, 135081), (162, 130078), (234, 90054), (324, 65039), (351, 60036), (468, 45027), (702, 30018), (1053, 20012), (1404, 15009), (2106, 10006), (4212, 5003)]