21010428

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3413}}^1$

素因数の和:3448

約数の個数: 60

約数和(自身を含む): 57833160

約数和(自身を除く): 36822732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3413, 6156, 6826, 10239, 13652, 20478, 30717, 40956, 61434, 64847, 92151, 122868, 129694, 184302, 194541, 259388, 276453, 368604, 389082, 552906, 583623, 778164, 1105812, 1167246, 1750869, 2334492, 3501738, 5252607, 7003476, 10505214, 21010428]

約数ペア:

[(1, 21010428), (2, 10505214), (3, 7003476), (4, 5252607), (6, 3501738), (9, 2334492), (12, 1750869), (18, 1167246), (19, 1105812), (27, 778164), (36, 583623), (38, 552906), (54, 389082), (57, 368604), (76, 276453), (81, 259388), (108, 194541), (114, 184302), (162, 129694), (171, 122868), (228, 92151), (324, 64847), (342, 61434), (513, 40956), (684, 30717), (1026, 20478), (1539, 13652), (2052, 10239), (3078, 6826), (3413, 6156)]