21400344

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42461}}^1$

素因数の和:42480

約数の個数: 48

約数和(自身を含む): 66240720

約数和(自身を除く): 44840376

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, 42461, 84922, 127383, 169844, 254766, 297227, 339688, 382149, 509532, 594454, 764298, 891681, 1019064, 1188908, 1528596, 1783362, 2377816, 2675043, 3057192, 3566724, 5350086, 7133448, 10700172, 21400344]

約数ペア:

[(1, 21400344), (2, 10700172), (3, 7133448), (4, 5350086), (6, 3566724), (7, 3057192), (8, 2675043), (9, 2377816), (12, 1783362), (14, 1528596), (18, 1188908), (21, 1019064), (24, 891681), (28, 764298), (36, 594454), (42, 509532), (56, 382149), (63, 339688), (72, 297227), (84, 254766), (126, 169844), (168, 127383), (252, 84922), (504, 42461)]