21523904

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:373

約数の個数: 56

約数和(自身を含む): 46012608

約数和(自身を除く): 24488704

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 136, 146, 271, 272, 292, 542, 544, 584, 1084, 1088, 1168, 1241, 2168, 2336, 2482, 4336, 4607, 4672, 4964, 8672, 9214, 9928, 17344, 18428, 19783, 19856, 36856, 39566, 39712, 73712, 79132, 79424, 147424, 158264, 294848, 316528, 336311, 633056, 672622, 1266112, 1345244, 2690488, 5380976, 10761952, 21523904]

約数ペア:

[(1, 21523904), (2, 10761952), (4, 5380976), (8, 2690488), (16, 1345244), (17, 1266112), (32, 672622), (34, 633056), (64, 336311), (68, 316528), (73, 294848), (136, 158264), (146, 147424), (271, 79424), (272, 79132), (292, 73712), (542, 39712), (544, 39566), (584, 36856), (1084, 19856), (1088, 19783), (1168, 18428), (1241, 17344), (2168, 9928), (2336, 9214), (2482, 8672), (4336, 4964), (4607, 4672)]