21923160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{26099}}^1$

素因数の和:26120

約数の個数: 64

約数和(自身を含む): 75168000

約数和(自身を除く): 53244840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 26099, 52198, 78297, 104396, 130495, 156594, 182693, 208792, 260990, 313188, 365386, 391485, 521980, 548079, 626376, 730772, 782970, 913465, 1043960, 1096158, 1461544, 1565940, 1826930, 2192316, 2740395, 3131880, 3653860, 4384632, 5480790, 7307720, 10961580, 21923160]

約数ペア:

[(1, 21923160), (2, 10961580), (3, 7307720), (4, 5480790), (5, 4384632), (6, 3653860), (7, 3131880), (8, 2740395), (10, 2192316), (12, 1826930), (14, 1565940), (15, 1461544), (20, 1096158), (21, 1043960), (24, 913465), (28, 782970), (30, 730772), (35, 626376), (40, 548079), (42, 521980), (56, 391485), (60, 365386), (70, 313188), (84, 260990), (105, 208792), (120, 182693), (140, 156594), (168, 130495), (210, 104396), (280, 78297), (420, 52198), (840, 26099)]