21322250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 43973280

約数和(自身を除く): 22651030

約数列:

[1, 2, 5, 10, 17, 25, 29, 34, 50, 58, 85, 125, 145, 170, 173, 250, 290, 346, 425, 493, 725, 850, 865, 986, 1450, 1730, 2125, 2465, 2941, 3625, 4250, 4325, 4930, 5017, 5882, 7250, 8650, 10034, 12325, 14705, 21625, 24650, 25085, 29410, 43250, 50170, 61625, 73525, 85289, 123250, 125425, 147050, 170578, 250850, 367625, 426445, 627125, 735250, 852890, 1254250, 2132225, 4264450, 10661125, 21322250]

約数ペア:

[(1, 21322250), (2, 10661125), (5, 4264450), (10, 2132225), (17, 1254250), (25, 852890), (29, 735250), (34, 627125), (50, 426445), (58, 367625), (85, 250850), (125, 170578), (145, 147050), (170, 125425), (173, 123250), (250, 85289), (290, 73525), (346, 61625), (425, 50170), (493, 43250), (725, 29410), (850, 25085), (865, 24650), (986, 21625), (1450, 14705), (1730, 12325), (2125, 10034), (2465, 8650), (2941, 7250), (3625, 5882), (4250, 5017), (4325, 4930)]