21472768

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{2467}}^1$

素因数の和:2502

約数の個数: 40

約数和(自身を含む): 45445752

約数和(自身を除く): 23972984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2176, 2467, 4352, 4934, 8704, 9868, 19736, 39472, 41939, 78944, 83878, 157888, 167756, 315776, 335512, 631552, 671024, 1263104, 1342048, 2684096, 5368192, 10736384, 21472768]

約数ペア:

[(1, 21472768), (2, 10736384), (4, 5368192), (8, 2684096), (16, 1342048), (17, 1263104), (32, 671024), (34, 631552), (64, 335512), (68, 315776), (128, 167756), (136, 157888), (256, 83878), (272, 78944), (512, 41939), (544, 39472), (1088, 19736), (2176, 9868), (2467, 8704), (4352, 4934)]