21945228

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3319}}^1$

素因数の和:3374

約数の個数: 48

約数和(自身を含む): 55776000

約数和(自身を除く): 33830772

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 87, 114, 116, 174, 228, 348, 551, 1102, 1653, 2204, 3306, 3319, 6612, 6638, 9957, 13276, 19914, 39828, 63061, 96251, 126122, 189183, 192502, 252244, 288753, 378366, 385004, 577506, 756732, 1155012, 1828769, 3657538, 5486307, 7315076, 10972614, 21945228]

約数ペア:

[(1, 21945228), (2, 10972614), (3, 7315076), (4, 5486307), (6, 3657538), (12, 1828769), (19, 1155012), (29, 756732), (38, 577506), (57, 385004), (58, 378366), (76, 288753), (87, 252244), (114, 192502), (116, 189183), (174, 126122), (228, 96251), (348, 63061), (551, 39828), (1102, 19914), (1653, 13276), (2204, 9957), (3306, 6638), (3319, 6612)]