21941152

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:841

約数の個数: 48

約数和(自身を含む): 46661832

約数和(自身を除く): 24720680

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 68, 106, 136, 212, 272, 424, 544, 761, 848, 901, 1522, 1696, 1802, 3044, 3604, 6088, 7208, 12176, 12937, 14416, 24352, 25874, 28832, 40333, 51748, 80666, 103496, 161332, 206992, 322664, 413984, 645328, 685661, 1290656, 1371322, 2742644, 5485288, 10970576, 21941152]

約数ペア:

[(1, 21941152), (2, 10970576), (4, 5485288), (8, 2742644), (16, 1371322), (17, 1290656), (32, 685661), (34, 645328), (53, 413984), (68, 322664), (106, 206992), (136, 161332), (212, 103496), (272, 80666), (424, 51748), (544, 40333), (761, 28832), (848, 25874), (901, 24352), (1522, 14416), (1696, 12937), (1802, 12176), (3044, 7208), (3604, 6088)]