21767480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{269}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 59680800

約数和(自身を除く): 37913320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 269, 280, 289, 340, 476, 538, 578, 595, 680, 952, 1076, 1156, 1190, 1345, 1445, 1883, 2023, 2152, 2312, 2380, 2690, 2890, 3766, 4046, 4573, 4760, 5380, 5780, 7532, 8092, 9146, 9415, 10115, 10760, 11560, 15064, 16184, 18292, 18830, 20230, 22865, 32011, 36584, 37660, 40460, 45730, 64022, 75320, 77741, 80920, 91460, 128044, 155482, 160055, 182920, 256088, 310964, 320110, 388705, 544187, 621928, 640220, 777410, 1088374, 1280440, 1554820, 2176748, 2720935, 3109640, 4353496, 5441870, 10883740, 21767480]

約数ペア:

[(1, 21767480), (2, 10883740), (4, 5441870), (5, 4353496), (7, 3109640), (8, 2720935), (10, 2176748), (14, 1554820), (17, 1280440), (20, 1088374), (28, 777410), (34, 640220), (35, 621928), (40, 544187), (56, 388705), (68, 320110), (70, 310964), (85, 256088), (119, 182920), (136, 160055), (140, 155482), (170, 128044), (238, 91460), (269, 80920), (280, 77741), (289, 75320), (340, 64022), (476, 45730), (538, 40460), (578, 37660), (595, 36584), (680, 32011), (952, 22865), (1076, 20230), (1156, 18830), (1190, 18292), (1345, 16184), (1445, 15064), (1883, 11560), (2023, 10760), (2152, 10115), (2312, 9415), (2380, 9146), (2690, 8092), (2890, 7532), (3766, 5780), (4046, 5380), (4573, 4760)]