21755034

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{859}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 56140800

約数和(自身を除く): 34385766

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 67, 126, 134, 189, 201, 378, 402, 469, 603, 859, 938, 1206, 1407, 1718, 1809, 2577, 2814, 3618, 4221, 5154, 6013, 7731, 8442, 12026, 12663, 15462, 18039, 23193, 25326, 36078, 46386, 54117, 57553, 108234, 115106, 162351, 172659, 324702, 345318, 402871, 517977, 805742, 1035954, 1208613, 1553931, 2417226, 3107862, 3625839, 7251678, 10877517, 21755034]

約数ペア:

[(1, 21755034), (2, 10877517), (3, 7251678), (6, 3625839), (7, 3107862), (9, 2417226), (14, 1553931), (18, 1208613), (21, 1035954), (27, 805742), (42, 517977), (54, 402871), (63, 345318), (67, 324702), (126, 172659), (134, 162351), (189, 115106), (201, 108234), (378, 57553), (402, 54117), (469, 46386), (603, 36078), (859, 25326), (938, 23193), (1206, 18039), (1407, 15462), (1718, 12663), (1809, 12026), (2577, 8442), (2814, 7731), (3618, 6013), (4221, 5154)]