21446520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10513}}^1$

素因数の和:10544

約数の個数: 64

約数和(自身を含む): 68130720

約数和(自身を除く): 46684200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10513, 21026, 31539, 42052, 52565, 63078, 84104, 105130, 126156, 157695, 178721, 210260, 252312, 315390, 357442, 420520, 536163, 630780, 714884, 893605, 1072326, 1261560, 1429768, 1787210, 2144652, 2680815, 3574420, 4289304, 5361630, 7148840, 10723260, 21446520]

約数ペア:

[(1, 21446520), (2, 10723260), (3, 7148840), (4, 5361630), (5, 4289304), (6, 3574420), (8, 2680815), (10, 2144652), (12, 1787210), (15, 1429768), (17, 1261560), (20, 1072326), (24, 893605), (30, 714884), (34, 630780), (40, 536163), (51, 420520), (60, 357442), (68, 315390), (85, 252312), (102, 210260), (120, 178721), (136, 157695), (170, 126156), (204, 105130), (255, 84104), (340, 63078), (408, 52565), (510, 42052), (680, 31539), (1020, 21026), (2040, 10513)]