21268710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2129}}^1$

素因数の和:2182

約数の個数: 64

約数和(自身を含む): 58276800

約数和(自身を除く): 37008090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 2129, 3330, 4258, 4995, 6387, 9990, 10645, 12774, 19161, 21290, 31935, 38322, 57483, 63870, 78773, 95805, 114966, 157546, 191610, 236319, 287415, 393865, 472638, 574830, 708957, 787730, 1181595, 1417914, 2126871, 2363190, 3544785, 4253742, 7089570, 10634355, 21268710]

約数ペア:

[(1, 21268710), (2, 10634355), (3, 7089570), (5, 4253742), (6, 3544785), (9, 2363190), (10, 2126871), (15, 1417914), (18, 1181595), (27, 787730), (30, 708957), (37, 574830), (45, 472638), (54, 393865), (74, 287415), (90, 236319), (111, 191610), (135, 157546), (185, 114966), (222, 95805), (270, 78773), (333, 63870), (370, 57483), (555, 38322), (666, 31935), (999, 21290), (1110, 19161), (1665, 12774), (1998, 10645), (2129, 9990), (3330, 6387), (4258, 4995)]