21442512

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4909}}^1$

素因数の和:4940

約数の個数: 80

約数和(自身を含む): 68190080

約数和(自身を除く): 46747568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 4909, 9818, 14727, 19636, 29454, 34363, 39272, 58908, 63817, 68726, 78544, 103089, 117816, 127634, 137452, 191451, 206178, 235632, 255268, 274904, 382902, 412356, 446719, 510536, 549808, 765804, 824712, 893438, 1021072, 1340157, 1531608, 1649424, 1786876, 2680314, 3063216, 3573752, 5360628, 7147504, 10721256, 21442512]

約数ペア:

[(1, 21442512), (2, 10721256), (3, 7147504), (4, 5360628), (6, 3573752), (7, 3063216), (8, 2680314), (12, 1786876), (13, 1649424), (14, 1531608), (16, 1340157), (21, 1021072), (24, 893438), (26, 824712), (28, 765804), (39, 549808), (42, 510536), (48, 446719), (52, 412356), (56, 382902), (78, 274904), (84, 255268), (91, 235632), (104, 206178), (112, 191451), (156, 137452), (168, 127634), (182, 117816), (208, 103089), (273, 78544), (312, 68726), (336, 63817), (364, 58908), (546, 39272), (624, 34363), (728, 29454), (1092, 19636), (1456, 14727), (2184, 9818), (4368, 4909)]