21236475416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{616909}}^1$

素因数の和:617259

約数の個数: 32

約数和(自身を含む): 43010965200

約数和(自身を除く): 21774489784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 331, 662, 1324, 2648, 4303, 8606, 17212, 34424, 616909, 1233818, 2467636, 4935272, 8019817, 16039634, 32079268, 64158536, 204196879, 408393758, 816787516, 1633575032, 2654559427, 5309118854, 10618237708, 21236475416]

約数ペア:

[(1, 21236475416), (2, 10618237708), (4, 5309118854), (8, 2654559427), (13, 1633575032), (26, 816787516), (52, 408393758), (104, 204196879), (331, 64158536), (662, 32079268), (1324, 16039634), (2648, 8019817), (4303, 4935272), (8606, 2467636), (17212, 1233818), (34424, 616909)]