21886290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12799}}^1$

素因数の和:12831

約数の個数: 48

約数和(自身を含む): 59904000

約数和(自身を除く): 38017710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12799, 25598, 38397, 63995, 76794, 115191, 127990, 191985, 230382, 243181, 383970, 486362, 575955, 729543, 1151910, 1215905, 1459086, 2188629, 2431810, 3647715, 4377258, 7295430, 10943145, 21886290]

約数ペア:

[(1, 21886290), (2, 10943145), (3, 7295430), (5, 4377258), (6, 3647715), (9, 2431810), (10, 2188629), (15, 1459086), (18, 1215905), (19, 1151910), (30, 729543), (38, 575955), (45, 486362), (57, 383970), (90, 243181), (95, 230382), (114, 191985), (171, 127990), (190, 115191), (285, 76794), (342, 63995), (570, 38397), (855, 25598), (1710, 12799)]