21633960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1297}}^1$

素因数の和:1450

約数の個数: 64

約数和(自身を含む): 65419200

約数和(自身を除く): 43785240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1297, 1390, 1668, 2085, 2594, 2780, 3336, 3891, 4170, 5188, 5560, 6485, 7782, 8340, 10376, 12970, 15564, 16680, 19455, 25940, 31128, 38910, 51880, 77820, 155640, 180283, 360566, 540849, 721132, 901415, 1081698, 1442264, 1802830, 2163396, 2704245, 3605660, 4326792, 5408490, 7211320, 10816980, 21633960]

約数ペア:

[(1, 21633960), (2, 10816980), (3, 7211320), (4, 5408490), (5, 4326792), (6, 3605660), (8, 2704245), (10, 2163396), (12, 1802830), (15, 1442264), (20, 1081698), (24, 901415), (30, 721132), (40, 540849), (60, 360566), (120, 180283), (139, 155640), (278, 77820), (417, 51880), (556, 38910), (695, 31128), (834, 25940), (1112, 19455), (1297, 16680), (1390, 15564), (1668, 12970), (2085, 10376), (2594, 8340), (2780, 7782), (3336, 6485), (3891, 5560), (4170, 5188)]