21229026

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{659}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 31993374

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 59, 78, 91, 118, 177, 182, 273, 354, 413, 546, 659, 767, 826, 1239, 1318, 1534, 1977, 2301, 2478, 3954, 4602, 4613, 5369, 8567, 9226, 10738, 13839, 16107, 17134, 25701, 27678, 32214, 38881, 51402, 59969, 77762, 116643, 119938, 179907, 233286, 272167, 359814, 505453, 544334, 816501, 1010906, 1516359, 1633002, 3032718, 3538171, 7076342, 10614513, 21229026]

約数ペア:

[(1, 21229026), (2, 10614513), (3, 7076342), (6, 3538171), (7, 3032718), (13, 1633002), (14, 1516359), (21, 1010906), (26, 816501), (39, 544334), (42, 505453), (59, 359814), (78, 272167), (91, 233286), (118, 179907), (177, 119938), (182, 116643), (273, 77762), (354, 59969), (413, 51402), (546, 38881), (659, 32214), (767, 27678), (826, 25701), (1239, 17134), (1318, 16107), (1534, 13839), (1977, 10738), (2301, 9226), (2478, 8567), (3954, 5369), (4602, 4613)]