21168972

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 60802560

約数和(自身を除く): 39633588

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 103, 108, 132, 173, 198, 206, 297, 309, 346, 396, 412, 519, 594, 618, 692, 927, 1038, 1133, 1188, 1236, 1557, 1854, 1903, 2076, 2266, 2781, 3114, 3399, 3708, 3806, 4532, 4671, 5562, 5709, 6228, 6798, 7612, 9342, 10197, 11124, 11418, 13596, 17127, 17819, 18684, 20394, 22836, 30591, 34254, 35638, 40788, 51381, 53457, 61182, 68508, 71276, 102762, 106914, 122364, 160371, 196009, 205524, 213828, 320742, 392018, 481113, 588027, 641484, 784036, 962226, 1176054, 1764081, 1924452, 2352108, 3528162, 5292243, 7056324, 10584486, 21168972]

約数ペア:

[(1, 21168972), (2, 10584486), (3, 7056324), (4, 5292243), (6, 3528162), (9, 2352108), (11, 1924452), (12, 1764081), (18, 1176054), (22, 962226), (27, 784036), (33, 641484), (36, 588027), (44, 481113), (54, 392018), (66, 320742), (99, 213828), (103, 205524), (108, 196009), (132, 160371), (173, 122364), (198, 106914), (206, 102762), (297, 71276), (309, 68508), (346, 61182), (396, 53457), (412, 51381), (519, 40788), (594, 35638), (618, 34254), (692, 30591), (927, 22836), (1038, 20394), (1133, 18684), (1188, 17819), (1236, 17127), (1557, 13596), (1854, 11418), (1903, 11124), (2076, 10197), (2266, 9342), (2781, 7612), (3114, 6798), (3399, 6228), (3708, 5709), (3806, 5562), (4532, 4671)]