21792498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 32397582

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 167, 182, 239, 273, 334, 478, 501, 546, 717, 1002, 1169, 1434, 1673, 2171, 2338, 3107, 3346, 3507, 4342, 5019, 6214, 6513, 7014, 9321, 10038, 13026, 15197, 18642, 21749, 30394, 39913, 43498, 45591, 65247, 79826, 91182, 119739, 130494, 239478, 279391, 518869, 558782, 838173, 1037738, 1556607, 1676346, 3113214, 3632083, 7264166, 10896249, 21792498]

約数ペア:

[(1, 21792498), (2, 10896249), (3, 7264166), (6, 3632083), (7, 3113214), (13, 1676346), (14, 1556607), (21, 1037738), (26, 838173), (39, 558782), (42, 518869), (78, 279391), (91, 239478), (167, 130494), (182, 119739), (239, 91182), (273, 79826), (334, 65247), (478, 45591), (501, 43498), (546, 39913), (717, 30394), (1002, 21749), (1169, 18642), (1434, 15197), (1673, 13026), (2171, 10038), (2338, 9321), (3107, 7014), (3346, 6513), (3507, 6214), (4342, 5019)]