21170916

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1$

素因数の和:930

約数の個数: 96

約数和(自身を含む): 62657280

約数和(自身を除く): 41486364

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 102, 108, 117, 153, 156, 204, 221, 234, 306, 351, 442, 459, 468, 612, 663, 702, 884, 887, 918, 1326, 1404, 1774, 1836, 1989, 2652, 2661, 3548, 3978, 5322, 5967, 7956, 7983, 10644, 11531, 11934, 15079, 15966, 23062, 23868, 23949, 30158, 31932, 34593, 45237, 46124, 47898, 60316, 69186, 90474, 95796, 103779, 135711, 138372, 180948, 196027, 207558, 271422, 311337, 392054, 407133, 415116, 542844, 588081, 622674, 784108, 814266, 1176162, 1245348, 1628532, 1764243, 2352324, 3528486, 5292729, 7056972, 10585458, 21170916]

約数ペア:

[(1, 21170916), (2, 10585458), (3, 7056972), (4, 5292729), (6, 3528486), (9, 2352324), (12, 1764243), (13, 1628532), (17, 1245348), (18, 1176162), (26, 814266), (27, 784108), (34, 622674), (36, 588081), (39, 542844), (51, 415116), (52, 407133), (54, 392054), (68, 311337), (78, 271422), (102, 207558), (108, 196027), (117, 180948), (153, 138372), (156, 135711), (204, 103779), (221, 95796), (234, 90474), (306, 69186), (351, 60316), (442, 47898), (459, 46124), (468, 45237), (612, 34593), (663, 31932), (702, 30158), (884, 23949), (887, 23868), (918, 23062), (1326, 15966), (1404, 15079), (1774, 11934), (1836, 11531), (1989, 10644), (2652, 7983), (2661, 7956), (3548, 5967), (3978, 5322)]