21740904

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{8161}}^1$

素因数の和:8210

約数の個数: 48

約数和(自身を含む): 60480420

約数和(自身を除く): 38739516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 8161, 16322, 24483, 32644, 48966, 65288, 73449, 97932, 146898, 195864, 293796, 301957, 587592, 603914, 905871, 1207828, 1811742, 2415656, 2717613, 3623484, 5435226, 7246968, 10870452, 21740904]

約数ペア:

[(1, 21740904), (2, 10870452), (3, 7246968), (4, 5435226), (6, 3623484), (8, 2717613), (9, 2415656), (12, 1811742), (18, 1207828), (24, 905871), (36, 603914), (37, 587592), (72, 301957), (74, 293796), (111, 195864), (148, 146898), (222, 97932), (296, 73449), (333, 65288), (444, 48966), (666, 32644), (888, 24483), (1332, 16322), (2664, 8161)]