21110908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{983}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 46287360

約数和(自身を除く): 25176452

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 59, 91, 118, 182, 236, 364, 413, 767, 826, 983, 1534, 1652, 1966, 3068, 3932, 5369, 6881, 10738, 12779, 13762, 21476, 25558, 27524, 51116, 57997, 89453, 115994, 178906, 231988, 357812, 405979, 753961, 811958, 1507922, 1623916, 3015844, 5277727, 10555454, 21110908]

約数ペア:

[(1, 21110908), (2, 10555454), (4, 5277727), (7, 3015844), (13, 1623916), (14, 1507922), (26, 811958), (28, 753961), (52, 405979), (59, 357812), (91, 231988), (118, 178906), (182, 115994), (236, 89453), (364, 57997), (413, 51116), (767, 27524), (826, 25558), (983, 21476), (1534, 13762), (1652, 12779), (1966, 10738), (3068, 6881), (3932, 5369)]