21372470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{607}}^1$

素因数の和:1124

約数の個数: 32

約数和(自身を含む): 44126208

約数和(自身を除く): 22753738

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 503, 607, 1006, 1214, 2515, 3035, 3521, 4249, 5030, 6070, 7042, 8498, 17605, 21245, 35210, 42490, 305321, 610642, 1526605, 2137247, 3053210, 4274494, 10686235, 21372470]

約数ペア:

[(1, 21372470), (2, 10686235), (5, 4274494), (7, 3053210), (10, 2137247), (14, 1526605), (35, 610642), (70, 305321), (503, 42490), (607, 35210), (1006, 21245), (1214, 17605), (2515, 8498), (3035, 7042), (3521, 6070), (4249, 5030)]