21918292576

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1299709}}^1$

素因数の和:1299767

約数の個数: 48

約数和(自身を含む): 47163876480

約数和(自身を除く): 25245583904

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 2108, 4216, 8432, 16864, 1299709, 2599418, 5198836, 10397672, 20795344, 22095053, 40290979, 41590688, 44190106, 80581958, 88380212, 161163916, 176760424, 322327832, 353520848, 644655664, 684946643, 707041696, 1289311328, 1369893286, 2739786572, 5479573144, 10959146288, 21918292576]

約数ペア:

[(1, 21918292576), (2, 10959146288), (4, 5479573144), (8, 2739786572), (16, 1369893286), (17, 1289311328), (31, 707041696), (32, 684946643), (34, 644655664), (62, 353520848), (68, 322327832), (124, 176760424), (136, 161163916), (248, 88380212), (272, 80581958), (496, 44190106), (527, 41590688), (544, 40290979), (992, 22095053), (1054, 20795344), (2108, 10397672), (4216, 5198836), (8432, 2599418), (16864, 1299709)]