21990327843

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{210811}}^1$

素因数の和:210963

約数の個数: 32

約数和(自身を含む): 33392620800

約数和(自身を除く): 11402292957

約数列:

[1, 3, 11, 29, 33, 87, 109, 319, 327, 957, 1199, 3161, 3597, 9483, 34771, 104313, 210811, 632433, 2318921, 6113519, 6956763, 18340557, 22978399, 67248709, 68935197, 201746127, 252762389, 666373571, 758287167, 1999120713, 7330109281, 21990327843]

約数ペア:

[(1, 21990327843), (3, 7330109281), (11, 1999120713), (29, 758287167), (33, 666373571), (87, 252762389), (109, 201746127), (319, 68935197), (327, 67248709), (957, 22978399), (1199, 18340557), (3161, 6956763), (3597, 6113519), (9483, 2318921), (34771, 632433), (104313, 210811)]