21172060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11633}}^1$

素因数の和:11662

約数の個数: 48

約数和(自身を含む): 54726336

約数和(自身を除く): 33554276

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 11633, 23266, 46532, 58165, 81431, 116330, 151229, 162862, 232660, 302458, 325724, 407155, 604916, 756145, 814310, 1058603, 1512290, 1628620, 2117206, 3024580, 4234412, 5293015, 10586030, 21172060]

約数ペア:

[(1, 21172060), (2, 10586030), (4, 5293015), (5, 4234412), (7, 3024580), (10, 2117206), (13, 1628620), (14, 1512290), (20, 1058603), (26, 814310), (28, 756145), (35, 604916), (52, 407155), (65, 325724), (70, 302458), (91, 232660), (130, 162862), (140, 151229), (182, 116330), (260, 81431), (364, 58165), (455, 46532), (910, 23266), (1820, 11633)]