21654224

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:232

約数の個数: 60

約数和(自身を含む): 46488096

約数和(自身を除く): 24833872

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 163, 184, 304, 326, 361, 368, 437, 652, 722, 874, 1304, 1444, 1748, 2608, 2888, 3097, 3496, 3749, 5776, 6194, 6992, 7498, 8303, 12388, 14996, 16606, 24776, 29992, 33212, 49552, 58843, 59984, 66424, 71231, 117686, 132848, 142462, 235372, 284924, 470744, 569848, 941488, 1139696, 1353389, 2706778, 5413556, 10827112, 21654224]

約数ペア:

[(1, 21654224), (2, 10827112), (4, 5413556), (8, 2706778), (16, 1353389), (19, 1139696), (23, 941488), (38, 569848), (46, 470744), (76, 284924), (92, 235372), (152, 142462), (163, 132848), (184, 117686), (304, 71231), (326, 66424), (361, 59984), (368, 58843), (437, 49552), (652, 33212), (722, 29992), (874, 24776), (1304, 16606), (1444, 14996), (1748, 12388), (2608, 8303), (2888, 7498), (3097, 6992), (3496, 6194), (3749, 5776)]