21222608

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3259}}^1$

素因数の和:3315

約数の個数: 40

約数和(自身を含む): 46083360

約数和(自身を除く): 24860752

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 3256, 3259, 6512, 6518, 13036, 26072, 35849, 52144, 71698, 120583, 143396, 241166, 286792, 482332, 573584, 964664, 1326413, 1929328, 2652826, 5305652, 10611304, 21222608]

約数ペア:

[(1, 21222608), (2, 10611304), (4, 5305652), (8, 2652826), (11, 1929328), (16, 1326413), (22, 964664), (37, 573584), (44, 482332), (74, 286792), (88, 241166), (148, 143396), (176, 120583), (296, 71698), (407, 52144), (592, 35849), (814, 26072), (1628, 13036), (3256, 6518), (3259, 6512)]