21401752

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1367}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 42681600

約数和(自身を除く): 21279848

約数列:

[1, 2, 4, 8, 19, 38, 76, 103, 152, 206, 412, 824, 1367, 1957, 2734, 3914, 5468, 7828, 10936, 15656, 25973, 51946, 103892, 140801, 207784, 281602, 563204, 1126408, 2675219, 5350438, 10700876, 21401752]

約数ペア:

[(1, 21401752), (2, 10700876), (4, 5350438), (8, 2675219), (19, 1126408), (38, 563204), (76, 281602), (103, 207784), (152, 140801), (206, 103892), (412, 51946), (824, 25973), (1367, 15656), (1957, 10936), (2734, 7828), (3914, 5468)]