21286519065

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{66841}}^1$

素因数の和:67199

約数の個数: 64

約数和(自身を含む): 43377784320

約数和(自身を除く): 22091265255

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 337, 945, 1011, 1685, 2359, 3033, 5055, 7077, 9099, 11795, 15165, 21231, 35385, 45495, 63693, 66841, 106155, 200523, 318465, 334205, 467887, 601569, 1002615, 1403661, 1804707, 2339435, 3007845, 4210983, 7018305, 9023535, 12632949, 21054915, 22525417, 63164745, 67576251, 112627085, 157677919, 202728753, 337881255, 473033757, 608186259, 788389595, 1013643765, 1419101271, 2365168785, 3040931295, 4257303813, 7095506355, 21286519065]

約数ペア:

[(1, 21286519065), (3, 7095506355), (5, 4257303813), (7, 3040931295), (9, 2365168785), (15, 1419101271), (21, 1013643765), (27, 788389595), (35, 608186259), (45, 473033757), (63, 337881255), (105, 202728753), (135, 157677919), (189, 112627085), (315, 67576251), (337, 63164745), (945, 22525417), (1011, 21054915), (1685, 12632949), (2359, 9023535), (3033, 7018305), (5055, 4210983), (7077, 3007845), (9099, 2339435), (11795, 1804707), (15165, 1403661), (21231, 1002615), (35385, 601569), (45495, 467887), (63693, 334205), (66841, 318465), (106155, 200523)]