21204792

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42073}}^1$

素因数の和:42092

約数の個数: 48

約数和(自身を含む): 65635440

約数和(自身を除く): 44430648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42073, 84146, 126219, 168292, 252438, 294511, 336584, 378657, 504876, 589022, 757314, 883533, 1009752, 1178044, 1514628, 1767066, 2356088, 2650599, 3029256, 3534132, 5301198, 7068264, 10602396, 21204792]

約数ペア:

[(1, 21204792), (2, 10602396), (3, 7068264), (4, 5301198), (6, 3534132), (7, 3029256), (8, 2650599), (9, 2356088), (12, 1767066), (14, 1514628), (18, 1178044), (21, 1009752), (24, 883533), (28, 757314), (36, 589022), (42, 504876), (56, 378657), (63, 336584), (72, 294511), (84, 252438), (126, 168292), (168, 126219), (252, 84146), (504, 42073)]