21196728

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{4673}}^1$

素因数の和:4698

約数の個数: 80

約数和(自身を含む): 67866480

約数和(自身を除く): 46669752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 4673, 9346, 14019, 18692, 28038, 32711, 37384, 42057, 56076, 65422, 84114, 98133, 112152, 126171, 130844, 168228, 196266, 252342, 261688, 294399, 336456, 378513, 392532, 504684, 588798, 757026, 785064, 883197, 1009368, 1177596, 1514052, 1766394, 2355192, 2649591, 3028104, 3532788, 5299182, 7065576, 10598364, 21196728]

約数ペア:

[(1, 21196728), (2, 10598364), (3, 7065576), (4, 5299182), (6, 3532788), (7, 3028104), (8, 2649591), (9, 2355192), (12, 1766394), (14, 1514052), (18, 1177596), (21, 1009368), (24, 883197), (27, 785064), (28, 757026), (36, 588798), (42, 504684), (54, 392532), (56, 378513), (63, 336456), (72, 294399), (81, 261688), (84, 252342), (108, 196266), (126, 168228), (162, 130844), (168, 126171), (189, 112152), (216, 98133), (252, 84114), (324, 65422), (378, 56076), (504, 42057), (567, 37384), (648, 32711), (756, 28038), (1134, 18692), (1512, 14019), (2268, 9346), (4536, 4673)]