21317490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13933}}^1$

素因数の和:13963

約数の個数: 48

約数和(自身を含む): 58690008

約数和(自身を除く): 37372518

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13933, 27866, 41799, 69665, 83598, 125397, 139330, 208995, 236861, 250794, 417990, 473722, 626985, 710583, 1184305, 1253970, 1421166, 2131749, 2368610, 3552915, 4263498, 7105830, 10658745, 21317490]

約数ペア:

[(1, 21317490), (2, 10658745), (3, 7105830), (5, 4263498), (6, 3552915), (9, 2368610), (10, 2131749), (15, 1421166), (17, 1253970), (18, 1184305), (30, 710583), (34, 626985), (45, 473722), (51, 417990), (85, 250794), (90, 236861), (102, 208995), (153, 139330), (170, 125397), (255, 83598), (306, 69665), (510, 41799), (765, 27866), (1530, 13933)]