21849772

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{613}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 46762240

約数和(自身を除く): 24912468

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 76, 133, 134, 266, 268, 469, 532, 613, 938, 1226, 1273, 1876, 2452, 2546, 4291, 5092, 8582, 8911, 11647, 17164, 17822, 23294, 35644, 41071, 46588, 81529, 82142, 163058, 164284, 287497, 326116, 574994, 780349, 1149988, 1560698, 3121396, 5462443, 10924886, 21849772]

約数ペア:

[(1, 21849772), (2, 10924886), (4, 5462443), (7, 3121396), (14, 1560698), (19, 1149988), (28, 780349), (38, 574994), (67, 326116), (76, 287497), (133, 164284), (134, 163058), (266, 82142), (268, 81529), (469, 46588), (532, 41071), (613, 35644), (938, 23294), (1226, 17822), (1273, 17164), (1876, 11647), (2452, 8911), (2546, 8582), (4291, 5092)]