21690717308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1\times {\mathrm{6397}}^1$

素因数の和:6942

約数の個数: 48

約数和(自身を含む): 41216734944

約数和(自身を除く): 19526017636

約数列:

[1, 2, 4, 13, 26, 52, 197, 331, 394, 662, 788, 1324, 2561, 4303, 5122, 6397, 8606, 10244, 12794, 17212, 25588, 65207, 83161, 130414, 166322, 260828, 332644, 847691, 1260209, 1695382, 2117407, 2520418, 3390764, 4234814, 5040836, 8469628, 16382717, 27526291, 32765434, 55052582, 65530868, 110105164, 417129179, 834258358, 1668516716, 5422679327, 10845358654, 21690717308]

約数ペア:

[(1, 21690717308), (2, 10845358654), (4, 5422679327), (13, 1668516716), (26, 834258358), (52, 417129179), (197, 110105164), (331, 65530868), (394, 55052582), (662, 32765434), (788, 27526291), (1324, 16382717), (2561, 8469628), (4303, 5040836), (5122, 4234814), (6397, 3390764), (8606, 2520418), (10244, 2117407), (12794, 1695382), (17212, 1260209), (25588, 847691), (65207, 332644), (83161, 260828), (130414, 166322)]