21440328

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9817}}^1$

素因数の和:9846

約数の個数: 64

約数和(自身を含む): 65976960

約数和(自身を除く): 44536632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9817, 19634, 29451, 39268, 58902, 68719, 78536, 117804, 127621, 137438, 206157, 235608, 255242, 274876, 382863, 412314, 510484, 549752, 765726, 824628, 893347, 1020968, 1531452, 1649256, 1786694, 2680041, 3062904, 3573388, 5360082, 7146776, 10720164, 21440328]

約数ペア:

[(1, 21440328), (2, 10720164), (3, 7146776), (4, 5360082), (6, 3573388), (7, 3062904), (8, 2680041), (12, 1786694), (13, 1649256), (14, 1531452), (21, 1020968), (24, 893347), (26, 824628), (28, 765726), (39, 549752), (42, 510484), (52, 412314), (56, 382863), (78, 274876), (84, 255242), (91, 235608), (104, 206157), (156, 137438), (168, 127621), (182, 117804), (273, 78536), (312, 68719), (364, 58902), (546, 39268), (728, 29451), (1092, 19634), (2184, 9817)]