21162408

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 54984960

約数和(自身を除く): 33822552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 73, 94, 141, 146, 188, 219, 257, 282, 292, 376, 438, 514, 564, 584, 771, 876, 1028, 1128, 1542, 1752, 2056, 3084, 3431, 6168, 6862, 10293, 12079, 13724, 18761, 20586, 24158, 27448, 36237, 37522, 41172, 48316, 56283, 72474, 75044, 82344, 96632, 112566, 144948, 150088, 225132, 289896, 450264, 881767, 1763534, 2645301, 3527068, 5290602, 7054136, 10581204, 21162408]

約数ペア:

[(1, 21162408), (2, 10581204), (3, 7054136), (4, 5290602), (6, 3527068), (8, 2645301), (12, 1763534), (24, 881767), (47, 450264), (73, 289896), (94, 225132), (141, 150088), (146, 144948), (188, 112566), (219, 96632), (257, 82344), (282, 75044), (292, 72474), (376, 56283), (438, 48316), (514, 41172), (564, 37522), (584, 36237), (771, 27448), (876, 24158), (1028, 20586), (1128, 18761), (1542, 13724), (1752, 12079), (2056, 10293), (3084, 6862), (3431, 6168)]