21000339342

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{147253}}^1$

素因数の和:147422

約数の個数: 64

約数和(自身を含む): 49477344000

約数和(自身を除く): 28477004658

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 139, 171, 278, 342, 417, 513, 834, 1026, 1251, 2502, 2641, 3753, 5282, 7506, 7923, 15846, 23769, 47538, 71307, 142614, 147253, 294506, 441759, 883518, 1325277, 2650554, 2797807, 3975831, 5595614, 7951662, 8393421, 16786842, 20468167, 25180263, 40936334, 50360526, 61404501, 75540789, 122809002, 151081578, 184213503, 368427006, 388895173, 552640509, 777790346, 1105281018, 1166685519, 2333371038, 3500056557, 7000113114, 10500169671, 21000339342]

約数ペア:

[(1, 21000339342), (2, 10500169671), (3, 7000113114), (6, 3500056557), (9, 2333371038), (18, 1166685519), (19, 1105281018), (27, 777790346), (38, 552640509), (54, 388895173), (57, 368427006), (114, 184213503), (139, 151081578), (171, 122809002), (278, 75540789), (342, 61404501), (417, 50360526), (513, 40936334), (834, 25180263), (1026, 20468167), (1251, 16786842), (2502, 8393421), (2641, 7951662), (3753, 5595614), (5282, 3975831), (7506, 2797807), (7923, 2650554), (15846, 1325277), (23769, 883518), (47538, 441759), (71307, 294506), (142614, 147253)]