21139194

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 45799488

約数和(自身を除く): 24660294

約数列:

[1, 2, 3, 6, 17, 34, 51, 73, 102, 146, 167, 219, 289, 334, 438, 501, 578, 867, 1002, 1241, 1734, 2482, 2839, 3723, 5678, 7446, 8517, 12191, 17034, 21097, 24382, 36573, 42194, 48263, 63291, 73146, 96526, 126582, 144789, 207247, 289578, 414494, 621741, 1243482, 3523199, 7046398, 10569597, 21139194]

約数ペア:

[(1, 21139194), (2, 10569597), (3, 7046398), (6, 3523199), (17, 1243482), (34, 621741), (51, 414494), (73, 289578), (102, 207247), (146, 144789), (167, 126582), (219, 96526), (289, 73146), (334, 63291), (438, 48263), (501, 42194), (578, 36573), (867, 24382), (1002, 21097), (1241, 17034), (1734, 12191), (2482, 8517), (2839, 7446), (3723, 5678)]