21739184

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1069}}^1$

素因数の和:1149

約数の個数: 40

約数和(自身を含む): 44580480

約数和(自身を除く): 22841296

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 164, 248, 328, 496, 656, 1069, 1271, 2138, 2542, 4276, 5084, 8552, 10168, 17104, 20336, 33139, 43829, 66278, 87658, 132556, 175316, 265112, 350632, 530224, 701264, 1358699, 2717398, 5434796, 10869592, 21739184]

約数ペア:

[(1, 21739184), (2, 10869592), (4, 5434796), (8, 2717398), (16, 1358699), (31, 701264), (41, 530224), (62, 350632), (82, 265112), (124, 175316), (164, 132556), (248, 87658), (328, 66278), (496, 43829), (656, 33139), (1069, 20336), (1271, 17104), (2138, 10168), (2542, 8552), (4276, 5084)]