21532035

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 21045885

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 43, 57, 95, 105, 129, 133, 215, 251, 285, 301, 399, 645, 665, 753, 817, 903, 1255, 1505, 1757, 1995, 2451, 3765, 4085, 4515, 4769, 5271, 5719, 8785, 10793, 12255, 14307, 17157, 23845, 26355, 28595, 32379, 33383, 53965, 71535, 75551, 85785, 100149, 161895, 166915, 205067, 226653, 377755, 500745, 615201, 1025335, 1133265, 1435469, 3076005, 4306407, 7177345, 21532035]

約数ペア:

[(1, 21532035), (3, 7177345), (5, 4306407), (7, 3076005), (15, 1435469), (19, 1133265), (21, 1025335), (35, 615201), (43, 500745), (57, 377755), (95, 226653), (105, 205067), (129, 166915), (133, 161895), (215, 100149), (251, 85785), (285, 75551), (301, 71535), (399, 53965), (645, 33383), (665, 32379), (753, 28595), (817, 26355), (903, 23845), (1255, 17157), (1505, 14307), (1757, 12255), (1995, 10793), (2451, 8785), (3765, 5719), (4085, 5271), (4515, 4769)]