21673130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{241}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 43359624

約数和(自身を除く): 21686494

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 241, 391, 482, 529, 782, 1058, 1205, 1955, 2410, 2645, 3910, 4097, 5290, 5543, 8194, 8993, 11086, 17986, 20485, 27715, 40970, 44965, 55430, 89930, 94231, 127489, 188462, 254978, 471155, 637445, 942310, 1274890, 2167313, 4334626, 10836565, 21673130]

約数ペア:

[(1, 21673130), (2, 10836565), (5, 4334626), (10, 2167313), (17, 1274890), (23, 942310), (34, 637445), (46, 471155), (85, 254978), (115, 188462), (170, 127489), (230, 94231), (241, 89930), (391, 55430), (482, 44965), (529, 40970), (782, 27715), (1058, 20485), (1205, 17986), (1955, 11086), (2410, 8993), (2645, 8194), (3910, 5543), (4097, 5290)]