21918474

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{863}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 50948352

約数和(自身を除く): 29029878

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 83, 102, 153, 166, 249, 306, 498, 747, 863, 1411, 1494, 1726, 2589, 2822, 4233, 5178, 7767, 8466, 12699, 14671, 15534, 25398, 29342, 44013, 71629, 88026, 132039, 143258, 214887, 264078, 429774, 644661, 1217693, 1289322, 2435386, 3653079, 7306158, 10959237, 21918474]

約数ペア:

[(1, 21918474), (2, 10959237), (3, 7306158), (6, 3653079), (9, 2435386), (17, 1289322), (18, 1217693), (34, 644661), (51, 429774), (83, 264078), (102, 214887), (153, 143258), (166, 132039), (249, 88026), (306, 71629), (498, 44013), (747, 29342), (863, 25398), (1411, 15534), (1494, 14671), (1726, 12699), (2589, 8466), (2822, 7767), (4233, 5178)]