21779424

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{1609}}^1$

素因数の和:1672

約数の個数: 72

約数和(自身を含む): 63292320

約数和(自身を除く): 41512896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 72, 94, 96, 141, 144, 188, 282, 288, 376, 423, 564, 752, 846, 1128, 1504, 1609, 1692, 2256, 3218, 3384, 4512, 4827, 6436, 6768, 9654, 12872, 13536, 14481, 19308, 25744, 28962, 38616, 51488, 57924, 75623, 77232, 115848, 151246, 154464, 226869, 231696, 302492, 453738, 463392, 604984, 680607, 907476, 1209968, 1361214, 1814952, 2419936, 2722428, 3629904, 5444856, 7259808, 10889712, 21779424]

約数ペア:

[(1, 21779424), (2, 10889712), (3, 7259808), (4, 5444856), (6, 3629904), (8, 2722428), (9, 2419936), (12, 1814952), (16, 1361214), (18, 1209968), (24, 907476), (32, 680607), (36, 604984), (47, 463392), (48, 453738), (72, 302492), (94, 231696), (96, 226869), (141, 154464), (144, 151246), (188, 115848), (282, 77232), (288, 75623), (376, 57924), (423, 51488), (564, 38616), (752, 28962), (846, 25744), (1128, 19308), (1504, 14481), (1609, 13536), (1692, 12872), (2256, 9654), (3218, 6768), (3384, 6436), (4512, 4827)]