21298272

素因数分解:

$2^5\times 3^1\times {\mathrm{61}}^1\times {\mathrm{3637}}^1$

素因数の和:3711

約数の個数: 48

約数和(自身を含む): 56840112

約数和(自身を除く): 35541840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 96, 122, 183, 244, 366, 488, 732, 976, 1464, 1952, 2928, 3637, 5856, 7274, 10911, 14548, 21822, 29096, 43644, 58192, 87288, 116384, 174576, 221857, 349152, 443714, 665571, 887428, 1331142, 1774856, 2662284, 3549712, 5324568, 7099424, 10649136, 21298272]

約数ペア:

[(1, 21298272), (2, 10649136), (3, 7099424), (4, 5324568), (6, 3549712), (8, 2662284), (12, 1774856), (16, 1331142), (24, 887428), (32, 665571), (48, 443714), (61, 349152), (96, 221857), (122, 174576), (183, 116384), (244, 87288), (366, 58192), (488, 43644), (732, 29096), (976, 21822), (1464, 14548), (1952, 10911), (2928, 7274), (3637, 5856)]