21637656

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15817}}^1$

素因数の和:15848

約数の個数: 48

約数和(自身を含む): 61690200

約数和(自身を除く): 40052544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15817, 31634, 47451, 63268, 94902, 126536, 142353, 189804, 284706, 300523, 379608, 569412, 601046, 901569, 1138824, 1202092, 1803138, 2404184, 2704707, 3606276, 5409414, 7212552, 10818828, 21637656]

約数ペア:

[(1, 21637656), (2, 10818828), (3, 7212552), (4, 5409414), (6, 3606276), (8, 2704707), (9, 2404184), (12, 1803138), (18, 1202092), (19, 1138824), (24, 901569), (36, 601046), (38, 569412), (57, 379608), (72, 300523), (76, 284706), (114, 189804), (152, 142353), (171, 126536), (228, 94902), (342, 63268), (456, 47451), (684, 31634), (1368, 15817)]