21798966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 53452800

約数和(自身を除く): 31653834

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 59, 114, 118, 133, 177, 266, 354, 399, 413, 463, 798, 826, 926, 1121, 1239, 1389, 2242, 2478, 2778, 3241, 3363, 6482, 6726, 7847, 8797, 9723, 15694, 17594, 19446, 23541, 26391, 27317, 47082, 52782, 54634, 61579, 81951, 123158, 163902, 184737, 191219, 369474, 382438, 519023, 573657, 1038046, 1147314, 1557069, 3114138, 3633161, 7266322, 10899483, 21798966]

約数ペア:

[(1, 21798966), (2, 10899483), (3, 7266322), (6, 3633161), (7, 3114138), (14, 1557069), (19, 1147314), (21, 1038046), (38, 573657), (42, 519023), (57, 382438), (59, 369474), (114, 191219), (118, 184737), (133, 163902), (177, 123158), (266, 81951), (354, 61579), (399, 54634), (413, 52782), (463, 47082), (798, 27317), (826, 26391), (926, 23541), (1121, 19446), (1239, 17594), (1389, 15694), (2242, 9723), (2478, 8797), (2778, 7847), (3241, 6726), (3363, 6482)]