21250871938

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{39703}}^1$

素因数の和:39922

約数の個数: 32

約数和(自身を含む): 33618170880

約数和(自身を除く): 12367298942

約数列:

[1, 2, 31, 62, 89, 97, 178, 194, 2759, 3007, 5518, 6014, 8633, 17266, 39703, 79406, 267623, 535246, 1230793, 2461586, 3533567, 3851191, 7067134, 7702382, 109540577, 119386921, 219081154, 238773842, 342755999, 685511998, 10625435969, 21250871938]

約数ペア:

[(1, 21250871938), (2, 10625435969), (31, 685511998), (62, 342755999), (89, 238773842), (97, 219081154), (178, 119386921), (194, 109540577), (2759, 7702382), (3007, 7067134), (5518, 3851191), (6014, 3533567), (8633, 2461586), (17266, 1230793), (39703, 535246), (79406, 267623)]