21644128

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3617}}^1$

素因数の和:3655

約数の個数: 48

約数和(自身を含む): 49233744

約数和(自身を除く): 27589616

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3617, 5984, 7234, 14468, 28936, 39787, 57872, 61489, 79574, 115744, 122978, 159148, 245956, 318296, 491912, 636592, 676379, 983824, 1273184, 1352758, 1967648, 2705516, 5411032, 10822064, 21644128]

約数ペア:

[(1, 21644128), (2, 10822064), (4, 5411032), (8, 2705516), (11, 1967648), (16, 1352758), (17, 1273184), (22, 983824), (32, 676379), (34, 636592), (44, 491912), (68, 318296), (88, 245956), (136, 159148), (176, 122978), (187, 115744), (272, 79574), (352, 61489), (374, 57872), (544, 39787), (748, 28936), (1496, 14468), (2992, 7234), (3617, 5984)]