21230220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1693}}^1$

素因数の和:1735

約数の個数: 96

約数和(自身を含む): 68302080

約数和(自身を除く): 47071860

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1254, 1693, 2090, 2508, 3135, 3386, 4180, 5079, 6270, 6772, 8465, 10158, 12540, 16930, 18623, 20316, 25395, 32167, 33860, 37246, 50790, 55869, 64334, 74492, 93115, 96501, 101580, 111738, 128668, 160835, 186230, 193002, 223476, 279345, 321670, 353837, 372460, 386004, 482505, 558690, 643340, 707674, 965010, 1061511, 1117380, 1415348, 1769185, 1930020, 2123022, 3538370, 4246044, 5307555, 7076740, 10615110, 21230220]

約数ペア:

[(1, 21230220), (2, 10615110), (3, 7076740), (4, 5307555), (5, 4246044), (6, 3538370), (10, 2123022), (11, 1930020), (12, 1769185), (15, 1415348), (19, 1117380), (20, 1061511), (22, 965010), (30, 707674), (33, 643340), (38, 558690), (44, 482505), (55, 386004), (57, 372460), (60, 353837), (66, 321670), (76, 279345), (95, 223476), (110, 193002), (114, 186230), (132, 160835), (165, 128668), (190, 111738), (209, 101580), (220, 96501), (228, 93115), (285, 74492), (330, 64334), (380, 55869), (418, 50790), (570, 37246), (627, 33860), (660, 32167), (836, 25395), (1045, 20316), (1140, 18623), (1254, 16930), (1693, 12540), (2090, 10158), (2508, 8465), (3135, 6772), (3386, 6270), (4180, 5079)]