21816816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2239}}^1$

素因数の和:2286

約数の個数: 80

約数和(自身を含む): 66662400

約数和(自身を除く): 44845584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 42, 48, 56, 58, 84, 87, 112, 116, 168, 174, 203, 232, 336, 348, 406, 464, 609, 696, 812, 1218, 1392, 1624, 2239, 2436, 3248, 4478, 4872, 6717, 8956, 9744, 13434, 15673, 17912, 26868, 31346, 35824, 47019, 53736, 62692, 64931, 94038, 107472, 125384, 129862, 188076, 194793, 250768, 259724, 376152, 389586, 454517, 519448, 752304, 779172, 909034, 1038896, 1363551, 1558344, 1818068, 2727102, 3116688, 3636136, 5454204, 7272272, 10908408, 21816816]

約数ペア:

[(1, 21816816), (2, 10908408), (3, 7272272), (4, 5454204), (6, 3636136), (7, 3116688), (8, 2727102), (12, 1818068), (14, 1558344), (16, 1363551), (21, 1038896), (24, 909034), (28, 779172), (29, 752304), (42, 519448), (48, 454517), (56, 389586), (58, 376152), (84, 259724), (87, 250768), (112, 194793), (116, 188076), (168, 129862), (174, 125384), (203, 107472), (232, 94038), (336, 64931), (348, 62692), (406, 53736), (464, 47019), (609, 35824), (696, 31346), (812, 26868), (1218, 17912), (1392, 15673), (1624, 13434), (2239, 9744), (2436, 8956), (3248, 6717), (4478, 4872)]