21419524

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2647}}^1$

素因数の和:2692

約数の個数: 36

約数和(自身を含む): 45524416

約数和(自身を除く): 24104892

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 2647, 4046, 5294, 8092, 10588, 18529, 37058, 44999, 74116, 89998, 179996, 314993, 629986, 764983, 1259972, 1529966, 3059932, 5354881, 10709762, 21419524]

約数ペア:

[(1, 21419524), (2, 10709762), (4, 5354881), (7, 3059932), (14, 1529966), (17, 1259972), (28, 764983), (34, 629986), (68, 314993), (119, 179996), (238, 89998), (289, 74116), (476, 44999), (578, 37058), (1156, 18529), (2023, 10588), (2647, 8092), (4046, 5294)]