21174054

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 27486426

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 79, 93, 131, 158, 186, 237, 262, 341, 393, 474, 682, 786, 869, 1023, 1441, 1738, 2046, 2449, 2607, 2882, 4061, 4323, 4898, 5214, 7347, 8122, 8646, 10349, 12183, 14694, 20698, 24366, 26939, 31047, 44671, 53878, 62094, 80817, 89342, 113839, 134013, 161634, 227678, 268026, 320819, 341517, 641638, 683034, 962457, 1924914, 3529009, 7058018, 10587027, 21174054]

約数ペア:

[(1, 21174054), (2, 10587027), (3, 7058018), (6, 3529009), (11, 1924914), (22, 962457), (31, 683034), (33, 641638), (62, 341517), (66, 320819), (79, 268026), (93, 227678), (131, 161634), (158, 134013), (186, 113839), (237, 89342), (262, 80817), (341, 62094), (393, 53878), (474, 44671), (682, 31047), (786, 26939), (869, 24366), (1023, 20698), (1441, 14694), (1738, 12183), (2046, 10349), (2449, 8646), (2607, 8122), (2882, 7347), (4061, 5214), (4323, 4898)]