21163630

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1217}}^1$

素因数の和:1308

約数の個数: 32

約数和(自身を含む): 39989376

約数和(自身を除く): 18825746

約数列:

[1, 2, 5, 10, 37, 47, 74, 94, 185, 235, 370, 470, 1217, 1739, 2434, 3478, 6085, 8695, 12170, 17390, 45029, 57199, 90058, 114398, 225145, 285995, 450290, 571990, 2116363, 4232726, 10581815, 21163630]

約数ペア:

[(1, 21163630), (2, 10581815), (5, 4232726), (10, 2116363), (37, 571990), (47, 450290), (74, 285995), (94, 225145), (185, 114398), (235, 90058), (370, 57199), (470, 45029), (1217, 17390), (1739, 12170), (2434, 8695), (3478, 6085)]