21231232

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1$

素因数の和:929

約数の個数: 64

約数和(自身を含む): 48911040

約数和(自身を除く): 27679808

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 272, 352, 374, 544, 704, 748, 887, 1088, 1408, 1496, 1774, 2176, 2992, 3548, 5984, 7096, 9757, 11968, 14192, 15079, 19514, 23936, 28384, 30158, 39028, 56768, 60316, 78056, 113536, 120632, 156112, 165869, 241264, 312224, 331738, 482528, 624448, 663476, 965056, 1248896, 1326952, 1930112, 2653904, 5307808, 10615616, 21231232]

約数ペア:

[(1, 21231232), (2, 10615616), (4, 5307808), (8, 2653904), (11, 1930112), (16, 1326952), (17, 1248896), (22, 965056), (32, 663476), (34, 624448), (44, 482528), (64, 331738), (68, 312224), (88, 241264), (128, 165869), (136, 156112), (176, 120632), (187, 113536), (272, 78056), (352, 60316), (374, 56768), (544, 39028), (704, 30158), (748, 28384), (887, 23936), (1088, 19514), (1408, 15079), (1496, 14192), (1774, 11968), (2176, 9757), (2992, 7096), (3548, 5984)]