21974274

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{953}}^1$

素因数の和:1032

約数の個数: 64

約数和(自身を含む): 56782080

約数和(自身を除く): 34807806

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 61, 63, 122, 126, 183, 189, 366, 378, 427, 549, 854, 953, 1098, 1281, 1647, 1906, 2562, 2859, 3294, 3843, 5718, 6671, 7686, 8577, 11529, 13342, 17154, 20013, 23058, 25731, 40026, 51462, 58133, 60039, 116266, 120078, 174399, 180117, 348798, 360234, 406931, 523197, 813862, 1046394, 1220793, 1569591, 2441586, 3139182, 3662379, 7324758, 10987137, 21974274]

約数ペア:

[(1, 21974274), (2, 10987137), (3, 7324758), (6, 3662379), (7, 3139182), (9, 2441586), (14, 1569591), (18, 1220793), (21, 1046394), (27, 813862), (42, 523197), (54, 406931), (61, 360234), (63, 348798), (122, 180117), (126, 174399), (183, 120078), (189, 116266), (366, 60039), (378, 58133), (427, 51462), (549, 40026), (854, 25731), (953, 23058), (1098, 20013), (1281, 17154), (1647, 13342), (1906, 11529), (2562, 8577), (2859, 7686), (3294, 6671), (3843, 5718)]