21776320

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4003}}^1$

素因数の和:4037

約数の個数: 56

約数和(自身を含む): 54918864

約数和(自身を除く): 33142544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 4003, 5440, 8006, 16012, 20015, 32024, 40030, 64048, 68051, 80060, 128096, 136102, 160120, 256192, 272204, 320240, 340255, 544408, 640480, 680510, 1088816, 1280960, 1361020, 2177632, 2722040, 4355264, 5444080, 10888160, 21776320]

約数ペア:

[(1, 21776320), (2, 10888160), (4, 5444080), (5, 4355264), (8, 2722040), (10, 2177632), (16, 1361020), (17, 1280960), (20, 1088816), (32, 680510), (34, 640480), (40, 544408), (64, 340255), (68, 320240), (80, 272204), (85, 256192), (136, 160120), (160, 136102), (170, 128096), (272, 80060), (320, 68051), (340, 64048), (544, 40030), (680, 32024), (1088, 20015), (1360, 16012), (2720, 8006), (4003, 5440)]