21345660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5647}}^1$

素因数の和:5672

約数の個数: 96

約数和(自身を含む): 75909120

約数和(自身を除く): 54563460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5647, 11294, 16941, 22588, 28235, 33882, 39529, 50823, 56470, 67764, 79058, 84705, 101646, 112940, 118587, 152469, 158116, 169410, 197645, 203292, 237174, 254115, 304938, 338820, 355761, 395290, 474348, 508230, 592935, 609876, 711522, 762345, 790580, 1016460, 1067283, 1185870, 1423044, 1524690, 1778805, 2134566, 2371740, 3049380, 3557610, 4269132, 5336415, 7115220, 10672830, 21345660]

約数ペア:

[(1, 21345660), (2, 10672830), (3, 7115220), (4, 5336415), (5, 4269132), (6, 3557610), (7, 3049380), (9, 2371740), (10, 2134566), (12, 1778805), (14, 1524690), (15, 1423044), (18, 1185870), (20, 1067283), (21, 1016460), (27, 790580), (28, 762345), (30, 711522), (35, 609876), (36, 592935), (42, 508230), (45, 474348), (54, 395290), (60, 355761), (63, 338820), (70, 304938), (84, 254115), (90, 237174), (105, 203292), (108, 197645), (126, 169410), (135, 158116), (140, 152469), (180, 118587), (189, 112940), (210, 101646), (252, 84705), (270, 79058), (315, 67764), (378, 56470), (420, 50823), (540, 39529), (630, 33882), (756, 28235), (945, 22588), (1260, 16941), (1890, 11294), (3780, 5647)]