21704802

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 31517598

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 59, 114, 118, 133, 177, 266, 354, 399, 413, 461, 798, 826, 922, 1121, 1239, 1383, 2242, 2478, 2766, 3227, 3363, 6454, 6726, 7847, 8759, 9681, 15694, 17518, 19362, 23541, 26277, 27199, 47082, 52554, 54398, 61313, 81597, 122626, 163194, 183939, 190393, 367878, 380786, 516781, 571179, 1033562, 1142358, 1550343, 3100686, 3617467, 7234934, 10852401, 21704802]

約数ペア:

[(1, 21704802), (2, 10852401), (3, 7234934), (6, 3617467), (7, 3100686), (14, 1550343), (19, 1142358), (21, 1033562), (38, 571179), (42, 516781), (57, 380786), (59, 367878), (114, 190393), (118, 183939), (133, 163194), (177, 122626), (266, 81597), (354, 61313), (399, 54398), (413, 52554), (461, 47082), (798, 27199), (826, 26277), (922, 23541), (1121, 19362), (1239, 17518), (1383, 15694), (2242, 9681), (2478, 8759), (2766, 7847), (3227, 6726), (3363, 6454)]