21366400

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^1\times {\mathrm{607}}^1$

素因数の和:642

約数の個数: 96

約数和(自身を含む): 57674880

約数和(自身を除く): 36308480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 275, 320, 352, 400, 440, 550, 607, 640, 704, 800, 880, 1100, 1214, 1408, 1600, 1760, 2200, 2428, 3035, 3200, 3520, 4400, 4856, 6070, 6677, 7040, 8800, 9712, 12140, 13354, 15175, 17600, 19424, 24280, 26708, 30350, 33385, 35200, 38848, 48560, 53416, 60700, 66770, 77696, 97120, 106832, 121400, 133540, 166925, 194240, 213664, 242800, 267080, 333850, 388480, 427328, 485600, 534160, 667700, 854656, 971200, 1068320, 1335400, 1942400, 2136640, 2670800, 4273280, 5341600, 10683200, 21366400]

約数ペア:

[(1, 21366400), (2, 10683200), (4, 5341600), (5, 4273280), (8, 2670800), (10, 2136640), (11, 1942400), (16, 1335400), (20, 1068320), (22, 971200), (25, 854656), (32, 667700), (40, 534160), (44, 485600), (50, 427328), (55, 388480), (64, 333850), (80, 267080), (88, 242800), (100, 213664), (110, 194240), (128, 166925), (160, 133540), (176, 121400), (200, 106832), (220, 97120), (275, 77696), (320, 66770), (352, 60700), (400, 53416), (440, 48560), (550, 38848), (607, 35200), (640, 33385), (704, 30350), (800, 26708), (880, 24280), (1100, 19424), (1214, 17600), (1408, 15175), (1600, 13354), (1760, 12140), (2200, 9712), (2428, 8800), (3035, 7040), (3200, 6677), (3520, 6070), (4400, 4856)]