21876840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:991

約数の個数: 96

約数和(自身を含む): 72240480

約数和(自身を除く): 50363640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 67, 72, 90, 120, 134, 180, 201, 268, 335, 360, 402, 536, 603, 670, 804, 907, 1005, 1206, 1340, 1608, 1814, 2010, 2412, 2680, 2721, 3015, 3628, 4020, 4535, 4824, 5442, 6030, 7256, 8040, 8163, 9070, 10884, 12060, 13605, 16326, 18140, 21768, 24120, 27210, 32652, 36280, 40815, 54420, 60769, 65304, 81630, 108840, 121538, 163260, 182307, 243076, 303845, 326520, 364614, 486152, 546921, 607690, 729228, 911535, 1093842, 1215380, 1458456, 1823070, 2187684, 2430760, 2734605, 3646140, 4375368, 5469210, 7292280, 10938420, 21876840]

約数ペア:

[(1, 21876840), (2, 10938420), (3, 7292280), (4, 5469210), (5, 4375368), (6, 3646140), (8, 2734605), (9, 2430760), (10, 2187684), (12, 1823070), (15, 1458456), (18, 1215380), (20, 1093842), (24, 911535), (30, 729228), (36, 607690), (40, 546921), (45, 486152), (60, 364614), (67, 326520), (72, 303845), (90, 243076), (120, 182307), (134, 163260), (180, 121538), (201, 108840), (268, 81630), (335, 65304), (360, 60769), (402, 54420), (536, 40815), (603, 36280), (670, 32652), (804, 27210), (907, 24120), (1005, 21768), (1206, 18140), (1340, 16326), (1608, 13605), (1814, 12060), (2010, 10884), (2412, 9070), (2680, 8163), (2721, 8040), (3015, 7256), (3628, 6030), (4020, 5442), (4535, 4824)]