21791992

素因数分解:

$2^3\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 43898400

約数和(自身を除く): 22106408

約数列:

[1, 2, 4, 8, 29, 41, 58, 79, 82, 116, 158, 164, 232, 316, 328, 632, 841, 1189, 1682, 2291, 2378, 3239, 3364, 4582, 4756, 6478, 6728, 9164, 9512, 12956, 18328, 25912, 34481, 66439, 68962, 93931, 132878, 137924, 187862, 265756, 275848, 375724, 531512, 751448, 2723999, 5447998, 10895996, 21791992]

約数ペア:

[(1, 21791992), (2, 10895996), (4, 5447998), (8, 2723999), (29, 751448), (41, 531512), (58, 375724), (79, 275848), (82, 265756), (116, 187862), (158, 137924), (164, 132878), (232, 93931), (316, 68962), (328, 66439), (632, 34481), (841, 25912), (1189, 18328), (1682, 12956), (2291, 9512), (2378, 9164), (3239, 6728), (3364, 6478), (4582, 4756)]