21220050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{241}}^1\times {\mathrm{587}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 52934112

約数和(自身を除く): 31714062

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 241, 482, 587, 723, 1174, 1205, 1446, 1761, 2410, 2935, 3522, 3615, 5870, 6025, 7230, 8805, 12050, 14675, 17610, 18075, 29350, 36150, 44025, 88050, 141467, 282934, 424401, 707335, 848802, 1414670, 2122005, 3536675, 4244010, 7073350, 10610025, 21220050]

約数ペア:

[(1, 21220050), (2, 10610025), (3, 7073350), (5, 4244010), (6, 3536675), (10, 2122005), (15, 1414670), (25, 848802), (30, 707335), (50, 424401), (75, 282934), (150, 141467), (241, 88050), (482, 44025), (587, 36150), (723, 29350), (1174, 18075), (1205, 17610), (1446, 14675), (1761, 12050), (2410, 8805), (2935, 7230), (3522, 6025), (3615, 5870)]