21417400

素因数分解:

$2^3\times 5^2\times {\mathrm{173}}^1\times {\mathrm{619}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 50164200

約数和(自身を除く): 28746800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 173, 200, 346, 619, 692, 865, 1238, 1384, 1730, 2476, 3095, 3460, 4325, 4952, 6190, 6920, 8650, 12380, 15475, 17300, 24760, 30950, 34600, 61900, 107087, 123800, 214174, 428348, 535435, 856696, 1070870, 2141740, 2677175, 4283480, 5354350, 10708700, 21417400]

約数ペア:

[(1, 21417400), (2, 10708700), (4, 5354350), (5, 4283480), (8, 2677175), (10, 2141740), (20, 1070870), (25, 856696), (40, 535435), (50, 428348), (100, 214174), (173, 123800), (200, 107087), (346, 61900), (619, 34600), (692, 30950), (865, 24760), (1238, 17300), (1384, 15475), (1730, 12380), (2476, 8650), (3095, 6920), (3460, 6190), (4325, 4952)]