21697760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19373}}^1$

素因数の和:19395

約数の個数: 48

約数和(自身を含む): 58586976

約数和(自身を除く): 36889216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19373, 38746, 77492, 96865, 135611, 154984, 193730, 271222, 309968, 387460, 542444, 619936, 678055, 774920, 1084888, 1356110, 1549840, 2169776, 2712220, 3099680, 4339552, 5424440, 10848880, 21697760]

約数ペア:

[(1, 21697760), (2, 10848880), (4, 5424440), (5, 4339552), (7, 3099680), (8, 2712220), (10, 2169776), (14, 1549840), (16, 1356110), (20, 1084888), (28, 774920), (32, 678055), (35, 619936), (40, 542444), (56, 387460), (70, 309968), (80, 271222), (112, 193730), (140, 154984), (160, 135611), (224, 96865), (280, 77492), (560, 38746), (1120, 19373)]