21812224

素因数分解:

$2^{10}\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:223

約数の個数: 88

約数和(自身を含む): 53058240

約数和(自身を除く): 31246016

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 179, 224, 238, 256, 272, 358, 448, 476, 512, 544, 716, 896, 952, 1024, 1088, 1253, 1432, 1792, 1904, 2176, 2506, 2864, 3043, 3584, 3808, 4352, 5012, 5728, 6086, 7168, 7616, 8704, 10024, 11456, 12172, 15232, 17408, 20048, 21301, 22912, 24344, 30464, 40096, 42602, 45824, 48688, 60928, 80192, 85204, 91648, 97376, 121856, 160384, 170408, 183296, 194752, 320768, 340816, 389504, 641536, 681632, 779008, 1283072, 1363264, 1558016, 2726528, 3116032, 5453056, 10906112, 21812224]

約数ペア:

[(1, 21812224), (2, 10906112), (4, 5453056), (7, 3116032), (8, 2726528), (14, 1558016), (16, 1363264), (17, 1283072), (28, 779008), (32, 681632), (34, 641536), (56, 389504), (64, 340816), (68, 320768), (112, 194752), (119, 183296), (128, 170408), (136, 160384), (179, 121856), (224, 97376), (238, 91648), (256, 85204), (272, 80192), (358, 60928), (448, 48688), (476, 45824), (512, 42602), (544, 40096), (716, 30464), (896, 24344), (952, 22912), (1024, 21301), (1088, 20048), (1253, 17408), (1432, 15232), (1792, 12172), (1904, 11456), (2176, 10024), (2506, 8704), (2864, 7616), (3043, 7168), (3584, 6086), (3808, 5728), (4352, 5012)]