21031296498

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61495019}}^1$

素因数の和:61495046

約数の個数: 24

約数和(自身を含む): 47966115600

約数和(自身を除く): 26934819102

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 61495019, 122990038, 184485057, 368970114, 553455171, 1106910342, 1168405361, 2336810722, 3505216083, 7010432166, 10515648249, 21031296498]

約数ペア:

[(1, 21031296498), (2, 10515648249), (3, 7010432166), (6, 3505216083), (9, 2336810722), (18, 1168405361), (19, 1106910342), (38, 553455171), (57, 368970114), (114, 184485057), (171, 122990038), (342, 61495019)]