21594860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2113}}^1$

素因数の和:2202

約数の個数: 48

約数和(自身を含む): 52562496

約数和(自身を除く): 30967636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2113, 2555, 4226, 5110, 8452, 10220, 10565, 14791, 21130, 29582, 42260, 59164, 73955, 147910, 154249, 295820, 308498, 616996, 771245, 1079743, 1542490, 2159486, 3084980, 4318972, 5398715, 10797430, 21594860]

約数ペア:

[(1, 21594860), (2, 10797430), (4, 5398715), (5, 4318972), (7, 3084980), (10, 2159486), (14, 1542490), (20, 1079743), (28, 771245), (35, 616996), (70, 308498), (73, 295820), (140, 154249), (146, 147910), (292, 73955), (365, 59164), (511, 42260), (730, 29582), (1022, 21130), (1460, 14791), (2044, 10565), (2113, 10220), (2555, 8452), (4226, 5110)]