21753472

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 49480200

約数和(自身を除く): 27726728

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 272, 416, 442, 544, 769, 832, 884, 1088, 1538, 1664, 1768, 2176, 3076, 3536, 6152, 7072, 9997, 12304, 13073, 14144, 19994, 24608, 26146, 28288, 39988, 49216, 52292, 79976, 98432, 104584, 159952, 169949, 209168, 319904, 339898, 418336, 639808, 679796, 836672, 1279616, 1359592, 1673344, 2719184, 5438368, 10876736, 21753472]

約数ペア:

[(1, 21753472), (2, 10876736), (4, 5438368), (8, 2719184), (13, 1673344), (16, 1359592), (17, 1279616), (26, 836672), (32, 679796), (34, 639808), (52, 418336), (64, 339898), (68, 319904), (104, 209168), (128, 169949), (136, 159952), (208, 104584), (221, 98432), (272, 79976), (416, 52292), (442, 49216), (544, 39988), (769, 28288), (832, 26146), (884, 24608), (1088, 19994), (1538, 14144), (1664, 13073), (1768, 12304), (2176, 9997), (3076, 7072), (3536, 6152)]