21731808

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:536

約数の個数: 96

約数和(自身を含む): 66237696

約数和(自身を除く): 44505888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 73, 84, 96, 112, 146, 168, 219, 224, 292, 336, 438, 443, 511, 584, 672, 876, 886, 1022, 1168, 1329, 1533, 1752, 1772, 2044, 2336, 2658, 3066, 3101, 3504, 3544, 4088, 5316, 6132, 6202, 7008, 7088, 8176, 9303, 10632, 12264, 12404, 14176, 16352, 18606, 21264, 24528, 24808, 32339, 37212, 42528, 49056, 49616, 64678, 74424, 97017, 99232, 129356, 148848, 194034, 226373, 258712, 297696, 388068, 452746, 517424, 679119, 776136, 905492, 1034848, 1358238, 1552272, 1810984, 2716476, 3104544, 3621968, 5432952, 7243936, 10865904, 21731808]

約数ペア:

[(1, 21731808), (2, 10865904), (3, 7243936), (4, 5432952), (6, 3621968), (7, 3104544), (8, 2716476), (12, 1810984), (14, 1552272), (16, 1358238), (21, 1034848), (24, 905492), (28, 776136), (32, 679119), (42, 517424), (48, 452746), (56, 388068), (73, 297696), (84, 258712), (96, 226373), (112, 194034), (146, 148848), (168, 129356), (219, 99232), (224, 97017), (292, 74424), (336, 64678), (438, 49616), (443, 49056), (511, 42528), (584, 37212), (672, 32339), (876, 24808), (886, 24528), (1022, 21264), (1168, 18606), (1329, 16352), (1533, 14176), (1752, 12404), (1772, 12264), (2044, 10632), (2336, 9303), (2658, 8176), (3066, 7088), (3101, 7008), (3504, 6202), (3544, 6132), (4088, 5316)]