21722092

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{307}}^1$

素因数の和:363

約数の個数: 54

約数和(自身を含む): 46821852

約数和(自身を除く): 25099760

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 307, 361, 532, 614, 722, 931, 1228, 1444, 1862, 2149, 2527, 3724, 4298, 5054, 5833, 8596, 10108, 11666, 15043, 17689, 23332, 30086, 35378, 40831, 60172, 70756, 81662, 110827, 163324, 221654, 285817, 443308, 571634, 775789, 1143268, 1551578, 3103156, 5430523, 10861046, 21722092]

約数ペア:

[(1, 21722092), (2, 10861046), (4, 5430523), (7, 3103156), (14, 1551578), (19, 1143268), (28, 775789), (38, 571634), (49, 443308), (76, 285817), (98, 221654), (133, 163324), (196, 110827), (266, 81662), (307, 70756), (361, 60172), (532, 40831), (614, 35378), (722, 30086), (931, 23332), (1228, 17689), (1444, 15043), (1862, 11666), (2149, 10108), (2527, 8596), (3724, 5833), (4298, 5054)]