21369194

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 41713056

約数和(自身を除く): 20343862

約数列:

[1, 2, 7, 11, 14, 22, 43, 49, 77, 86, 98, 154, 301, 461, 473, 539, 602, 922, 946, 1078, 2107, 3227, 3311, 4214, 5071, 6454, 6622, 10142, 19823, 22589, 23177, 35497, 39646, 45178, 46354, 70994, 138761, 218053, 248479, 277522, 436106, 496958, 971327, 1526371, 1942654, 3052742, 10684597, 21369194]

約数ペア:

[(1, 21369194), (2, 10684597), (7, 3052742), (11, 1942654), (14, 1526371), (22, 971327), (43, 496958), (49, 436106), (77, 277522), (86, 248479), (98, 218053), (154, 138761), (301, 70994), (461, 46354), (473, 45178), (539, 39646), (602, 35497), (922, 23177), (946, 22589), (1078, 19823), (2107, 10142), (3227, 6622), (3311, 6454), (4214, 5071)]