21930684

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 53813760

約数和(自身を除く): 31883076

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 181, 276, 362, 439, 543, 724, 878, 1086, 1317, 1756, 2172, 2634, 4163, 5268, 8326, 10097, 12489, 16652, 20194, 24978, 30291, 40388, 49956, 60582, 79459, 121164, 158918, 238377, 317836, 476754, 953508, 1827557, 3655114, 5482671, 7310228, 10965342, 21930684]

約数ペア:

[(1, 21930684), (2, 10965342), (3, 7310228), (4, 5482671), (6, 3655114), (12, 1827557), (23, 953508), (46, 476754), (69, 317836), (92, 238377), (138, 158918), (181, 121164), (276, 79459), (362, 60582), (439, 49956), (543, 40388), (724, 30291), (878, 24978), (1086, 20194), (1317, 16652), (1756, 12489), (2172, 10097), (2634, 8326), (4163, 5268)]