21881142

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3109}}^1$

素因数の和:3157

約数の個数: 48

約数和(自身を含む): 52397280

約数和(自身を除く): 30516138

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 34, 46, 51, 69, 102, 138, 153, 207, 306, 391, 414, 782, 1173, 2346, 3109, 3519, 6218, 7038, 9327, 18654, 27981, 52853, 55962, 71507, 105706, 143014, 158559, 214521, 317118, 429042, 475677, 643563, 951354, 1215619, 1287126, 2431238, 3646857, 7293714, 10940571, 21881142]

約数ペア:

[(1, 21881142), (2, 10940571), (3, 7293714), (6, 3646857), (9, 2431238), (17, 1287126), (18, 1215619), (23, 951354), (34, 643563), (46, 475677), (51, 429042), (69, 317118), (102, 214521), (138, 158559), (153, 143014), (207, 105706), (306, 71507), (391, 55962), (414, 52853), (782, 27981), (1173, 18654), (2346, 9327), (3109, 7038), (3519, 6218)]