21230928

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2417}}^1$

素因数の和:2492

約数の個数: 60

約数和(自身を含む): 60416148

約数和(自身を除く): 39185220

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2417, 2928, 4392, 4834, 7251, 8784, 9668, 14502, 19336, 21753, 29004, 38672, 43506, 58008, 87012, 116016, 147437, 174024, 294874, 348048, 442311, 589748, 884622, 1179496, 1326933, 1769244, 2358992, 2653866, 3538488, 5307732, 7076976, 10615464, 21230928]

約数ペア:

[(1, 21230928), (2, 10615464), (3, 7076976), (4, 5307732), (6, 3538488), (8, 2653866), (9, 2358992), (12, 1769244), (16, 1326933), (18, 1179496), (24, 884622), (36, 589748), (48, 442311), (61, 348048), (72, 294874), (122, 174024), (144, 147437), (183, 116016), (244, 87012), (366, 58008), (488, 43506), (549, 38672), (732, 29004), (976, 21753), (1098, 19336), (1464, 14502), (2196, 9668), (2417, 8784), (2928, 7251), (4392, 4834)]