21658428

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 120

約数和(自身を含む): 63423360

約数和(自身を除く): 41764932

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 59, 66, 81, 99, 103, 108, 118, 132, 162, 177, 198, 206, 236, 297, 309, 324, 354, 396, 412, 531, 594, 618, 649, 708, 891, 927, 1062, 1133, 1188, 1236, 1298, 1593, 1782, 1854, 1947, 2124, 2266, 2596, 2781, 3186, 3399, 3564, 3708, 3894, 4532, 4779, 5562, 5841, 6077, 6372, 6798, 7788, 8343, 9558, 10197, 11124, 11682, 12154, 13596, 16686, 17523, 18231, 19116, 20394, 23364, 24308, 30591, 33372, 35046, 36462, 40788, 52569, 54693, 61182, 66847, 70092, 72924, 91773, 105138, 109386, 122364, 133694, 164079, 183546, 200541, 210276, 218772, 267388, 328158, 367092, 401082, 492237, 601623, 656316, 802164, 984474, 1203246, 1804869, 1968948, 2406492, 3609738, 5414607, 7219476, 10829214, 21658428]

約数ペア:

[(1, 21658428), (2, 10829214), (3, 7219476), (4, 5414607), (6, 3609738), (9, 2406492), (11, 1968948), (12, 1804869), (18, 1203246), (22, 984474), (27, 802164), (33, 656316), (36, 601623), (44, 492237), (54, 401082), (59, 367092), (66, 328158), (81, 267388), (99, 218772), (103, 210276), (108, 200541), (118, 183546), (132, 164079), (162, 133694), (177, 122364), (198, 109386), (206, 105138), (236, 91773), (297, 72924), (309, 70092), (324, 66847), (354, 61182), (396, 54693), (412, 52569), (531, 40788), (594, 36462), (618, 35046), (649, 33372), (708, 30591), (891, 24308), (927, 23364), (1062, 20394), (1133, 19116), (1188, 18231), (1236, 17523), (1298, 16686), (1593, 13596), (1782, 12154), (1854, 11682), (1947, 11124), (2124, 10197), (2266, 9558), (2596, 8343), (2781, 7788), (3186, 6798), (3399, 6372), (3564, 6077), (3708, 5841), (3894, 5562), (4532, 4779)]