21981558

素因数分解:

$2^1\times 3^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 44876160

約数和(自身を除く): 22894602

約数列:

[1, 2, 3, 6, 97, 179, 194, 211, 291, 358, 422, 537, 582, 633, 1074, 1266, 17363, 20467, 34726, 37769, 40934, 52089, 61401, 75538, 104178, 113307, 122802, 226614, 3663593, 7327186, 10990779, 21981558]

約数ペア:

[(1, 21981558), (2, 10990779), (3, 7327186), (6, 3663593), (97, 226614), (179, 122802), (194, 113307), (211, 104178), (291, 75538), (358, 61401), (422, 52089), (537, 40934), (582, 37769), (633, 34726), (1074, 20467), (1266, 17363)]